52639 + Interview Questions in Secondary School in Chemistry Page 4 InterviewSolution

151.	Name any four chemicals manufactured using common salt as a raw material
Answer» <html><body><p> </p><p></p><p> </p><p><a href="https://interviewquestions.tuteehub.com/tag/chemical-914796" style="font-weight:bold;" target="_blank" title="Click to know more about CHEMICAL">CHEMICAL</a> name. Molecular formula</p><p>Sodium hydroxide or <a href="https://interviewquestions.tuteehub.com/tag/lye-1081800" style="font-weight:bold;" target="_blank" title="Click to know more about LYE">LYE</a> or caustic soda = NaOH NaOH</p><p>Baking soda or sodium hydrogen carbonate or sodium <a href="https://interviewquestions.tuteehub.com/tag/bicarbonate-397619" style="font-weight:bold;" target="_blank" title="Click to know more about BICARBONATE">BICARBONATE</a> =NaHCO3 NaHCO3</p><p>Washing soda or sodium carbonate decahydrate= Na2CO3⋅10H2O</p><p>Bleaching <a href="https://interviewquestions.tuteehub.com/tag/powder-603608" style="font-weight:bold;" target="_blank" title="Click to know more about POWDER">POWDER</a> or calcium hypochlorite= CaOCl2</p></body></html>

Discussion

152.	CH3-C(OH)2-C(OH)2-CH3 IUPAC name
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>Thus <a href="https://interviewquestions.tuteehub.com/tag/iupac-22381" style="font-weight:bold;" target="_blank" title="Click to know more about IUPAC">IUPAC</a> name is: 2-Methyl-2,4 pentanediol</p><p></p><p><strong>Explanation:</strong></p><p>I hope it <a href="https://interviewquestions.tuteehub.com/tag/helps-1018140" style="font-weight:bold;" target="_blank" title="Click to know more about HELPS">HELPS</a> you </p></body></html>

Discussion

153.	Corrugated iron sheets are coated with a greyish substance to prevent them from rusting.a)Name the substance.b)Name the process.c)Make a scratch on such a sheet , observe it after a few weeks .what do you expect?
Answer» <html><body><p><strong>Answer:</strong></p><p>a) Zinc</p><p>b) Galvanisation</p><p> <a href="https://interviewquestions.tuteehub.com/tag/iron-1051344" style="font-weight:bold;" target="_blank" title="Click to know more about IRON">IRON</a> when comes in contact with moist <a href="https://interviewquestions.tuteehub.com/tag/air-852233" style="font-weight:bold;" target="_blank" title="Click to know more about AIR">AIR</a> it reacts with it to form a brown <a href="https://interviewquestions.tuteehub.com/tag/powder-603608" style="font-weight:bold;" target="_blank" title="Click to know more about POWDER">POWDER</a> rust. Rust damages the iron. <a href="https://interviewquestions.tuteehub.com/tag/thus-2307358" style="font-weight:bold;" target="_blank" title="Click to know more about THUS">THUS</a>, to prevent the <a href="https://interviewquestions.tuteehub.com/tag/rusting-1192632" style="font-weight:bold;" target="_blank" title="Click to know more about RUSTING">RUSTING</a> of the iron they are coated with zinc.</p><p></p></body></html>

Discussion

154.	34.2 g of sugar was dissolved in water to produce 214.2 g of sugar syrup. Calculate molality and mole fraction of sugar in the syrup. Given C = 12 and O = 16
Answer» <html><body><p><strong>Answer:</strong></p><p>1). <a href="https://interviewquestions.tuteehub.com/tag/mole-1100299" style="font-weight:bold;" target="_blank" title="Click to know more about MOLE">MOLE</a> fraction of sugar in syrup = 1/101</p><p></p><p>2). Molality of sugar in syrup = 0.5 mol/ kg</p><p></p><p>>> NOTE : MOLARITY CAN'T BE CALCULATED WITH GIVEN MASS, IT IS ONLY CALCULATED WITH VOLUME, BUT MOLALITY CAN BE CALCULATED.</p><p></p><p>Explanation:</p><p></p><p>1). Mole fraction :</p><p></p><p>>>no. of moles of sugar(<a href="https://interviewquestions.tuteehub.com/tag/solute-1217068" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTE">SOLUTE</a>)/total moles of solution(solution)</p><p></p><p>(1). sugar = C12H22011</p><p></p><p>Weight of sugar = 34.2g (given)</p><p></p><p>Molar mass of sugar = <a href="https://interviewquestions.tuteehub.com/tag/342-308356" style="font-weight:bold;" target="_blank" title="Click to know more about 342">342</a> g/mol</p><p></p><p>Vol 82</p><p></p><p>>> mole of sugar = 34.2/342 = 1/10 mole</p><p></p><p>(II). Water = H2O</p><p></p><p>Weight of water = 214.2-34.2=180 g Molar mass of water = <a href="https://interviewquestions.tuteehub.com/tag/18-278913" style="font-weight:bold;" target="_blank" title="Click to know more about 18">18</a> g/mol</p><p></p><p>>> mole of water = 180/18 = 10 mole</p><p></p><p>Now,</p><p></p><p>>> Mole fraction = (1/10)/(101/10)</p><p></p><p>= 1/10 × 10/101</p><p></p><p>[Answer] = 1/101 [ Mole fraction</p><p></p><p>is a unit less quantity]</p><p></p><p>Vol 82</p><p></p><p>V</p><p></p><p>2). Molality</p><p></p><p>>> If mass is given in gram then,</p><p></p><p>Molality (weight of solute × 1000)/ = (Molar mass of solute × weight of solvent)</p><p></p><p>Hence,</p><p></p><p>weight of solute (Sugar) = 34.2 g (Given)</p><p></p><p>weight of solvent (water) = 180 g (Given)</p><p></p><p>Molar mass of solute = = 342 g</p><p></p><p>» (34.2 x 1000)/(342 × 180)</p><p></p><p>= 34200/61560</p><p></p><p>= 0.5 mole/Kg [Answer]</p><p></p></body></html>

Discussion

155.	In a photoelectric experiment, kinetic energy of photoelectron is 18.2 × 10^-19 J. the wavelength of incident light is X ×10^-8m , if work function of metal is 1eV, then value of X is ____.(planks constant= 6.6×10^-34Js and 1eV =1.6×10^-19J)please help me out
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>Energy of incident <a href="https://interviewquestions.tuteehub.com/tag/radiation-1175811" style="font-weight:bold;" target="_blank" title="Click to know more about RADIATION">RADIATION</a> is <a href="https://interviewquestions.tuteehub.com/tag/e-444102" style="font-weight:bold;" target="_blank" title="Click to know more about E">E</a>= </p><p>λ</p><p>hc = </p><p>3×10 </p><p>−7</p><p> </p><p>6.6×10 </p><p>−34</p><p> ×3×10 </p><p>8</p><p> </p><p></p><p> =6.6×10 </p><p>−19</p><p> J.</p><p></p><p>Also, work function is ϕ=2×1.6×10 </p><p>−19</p><p> J=3.2×10 </p><p>−19</p><p> J.</p><p></p><p>Hence, maximum kinetic energy of emitted <a href="https://interviewquestions.tuteehub.com/tag/photo-25655" style="font-weight:bold;" target="_blank" title="Click to know more about PHOTO">PHOTO</a> electrons will be 6.6×10 </p><p>−19</p><p> J−3.2×10 </p><p>−19</p><p> J=3.4×10 </p><p>−19</p><p> J</p><p><strong>Explanation:</strong></p><h3>@maahiarora401</h3></body></html>

Discussion

156.	Hydrogen is not a metal but it has been assigned a place in thereactivity series of metals. Why? (PLZ GIVE ANSWER IN SIMPLE WORDS)
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/vitamin-1447404" style="font-weight:bold;" target="_blank" title="Click to know more about VITAMIN">VITAMIN</a> <a href="https://interviewquestions.tuteehub.com/tag/k-527196" style="font-weight:bold;" target="_blank" title="Click to know more about K">K</a> <a href="https://interviewquestions.tuteehub.com/tag/helps-1018140" style="font-weight:bold;" target="_blank" title="Click to know more about HELPS">HELPS</a> in <a href="https://interviewquestions.tuteehub.com/tag/clotting-919802" style="font-weight:bold;" target="_blank" title="Click to know more about CLOTTING">CLOTTING</a> of bloodVitamin k helps in clotting of blood</p><p><strong>Explanation:</strong></p><p></p></body></html>

Discussion

157.	18. Which amongst the following represents a photochemical decomposition?a. CaCO3(s) - CaO(s) + CO2(g) b. 2AgBr(s) → 2Ag(s) + Br2(g) C.2H2O(l) → 2H2(g) + O2(g) d. 2FeSO4(s) Fe2O3(s) + SO2(g) + S03(g)
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p></p><p><strong><a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a>:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/second-1197322" style="font-weight:bold;" target="_blank" title="Click to know more about SECOND">SECOND</a> one</p><p>Agbr..<a href="https://interviewquestions.tuteehub.com/tag/ag-362275" style="font-weight:bold;" target="_blank" title="Click to know more about AG">AG</a> + <a href="https://interviewquestions.tuteehub.com/tag/br-390993" style="font-weight:bold;" target="_blank" title="Click to know more about BR">BR</a></p></body></html>

Discussion

158.	state heisenberg uncertainty principle and calculate the value of delta v delta x with mass about a milligram
Answer» <html><body><p><strong>Answer:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/heisenberg-484060" style="font-weight:bold;" target="_blank" title="Click to know more about HEISENBERG">HEISENBERG</a>'s principle- </p><p>It is impossible to measure the value of simultaneous velocity and position of any electron.</p><p>By taking <a href="https://interviewquestions.tuteehub.com/tag/uncertainty-1436217" style="font-weight:bold;" target="_blank" title="Click to know more about UNCERTAINTY">UNCERTAINTY</a> principle relationship- </p><p>Delta Energy × Delta <a href="https://interviewquestions.tuteehub.com/tag/time-19467" style="font-weight:bold;" target="_blank" title="Click to know more about TIME">TIME</a> = h/4Pi , where h is plank's constant</p><p>Also, mass× velocity× displacement = energy × time</p><p>Thus, <a href="https://interviewquestions.tuteehub.com/tag/1mg-283031" style="font-weight:bold;" target="_blank" title="Click to know more about 1MG">1MG</a> × Delta <a href="https://interviewquestions.tuteehub.com/tag/v-722631" style="font-weight:bold;" target="_blank" title="Click to know more about V">V</a> × Delta x = h/4pi</p><p> Delta v × Delta x = h/4pi × 10^6</p><p></p><p>hope this will help you.</p></body></html>

Discussion

159.	Oxidation process in refining with suitable example and figures
Answer» <html><body><p><strong>Answer:</strong></p><p>OXIDATION <a href="https://interviewquestions.tuteehub.com/tag/refining-19850" style="font-weight:bold;" target="_blank" title="Click to know more about REFINING">REFINING</a> - DEFINITION</p><p>On oxidation <a href="https://interviewquestions.tuteehub.com/tag/pure-1172806" style="font-weight:bold;" target="_blank" title="Click to know more about PURE">PURE</a> metal <a href="https://interviewquestions.tuteehub.com/tag/remains-621920" style="font-weight:bold;" target="_blank" title="Click to know more about REMAINS">REMAINS</a> behind in molten form.Impurities is oxidized by air to their respective oxides.It is used for refining metals by oxidation of their impurities. e.g <a href="https://interviewquestions.tuteehub.com/tag/iron-1051344" style="font-weight:bold;" target="_blank" title="Click to know more about IRON">IRON</a>.</p></body></html>

Discussion

160.	What the unit of force constant
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>Newton/meter</p><p></p><p>The <a href="https://interviewquestions.tuteehub.com/tag/unit-1438166" style="font-weight:bold;" target="_blank" title="Click to know more about UNIT">UNIT</a> of the <a href="https://interviewquestions.tuteehub.com/tag/force-22342" style="font-weight:bold;" target="_blank" title="Click to know more about FORCE">FORCE</a> <a href="https://interviewquestions.tuteehub.com/tag/constant-930172" style="font-weight:bold;" target="_blank" title="Click to know more about CONSTANT">CONSTANT</a> is Newton/meter (N/m).</p><p></p><p></p></body></html>

Discussion

161.	In a compound elements are present if fixed ratio by mass .true /false
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>True</p><p><strong>Explanation:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/hope-25911" style="font-weight:bold;" target="_blank" title="Click to know more about HOPE">HOPE</a> it <a href="https://interviewquestions.tuteehub.com/tag/helps-1018140" style="font-weight:bold;" target="_blank" title="Click to know more about HELPS">HELPS</a> <a href="https://interviewquestions.tuteehub.com/tag/u-1435036" style="font-weight:bold;" target="_blank" title="Click to know more about U">U</a>....</p></body></html>

Discussion

162.	When a metallic sulphite is decomposed which gas is evolved
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>answer </p><p>=<a href="https://interviewquestions.tuteehub.com/tag/sulphur-1234343" style="font-weight:bold;" target="_blank" title="Click to know more about SULPHUR">SULPHUR</a> <a href="https://interviewquestions.tuteehub.com/tag/dioxide-954355" style="font-weight:bold;" target="_blank" title="Click to know more about DIOXIDE">DIOXIDE</a> </p></body></html>

Discussion

163.	फेनिल लिथियम पिरीडिन से क्रिया करके क्या बनता है
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>phiridenial lithium</p><p><strong>Explanation:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/please-601513" style="font-weight:bold;" target="_blank" title="Click to know more about PLEASE">PLEASE</a> <a href="https://interviewquestions.tuteehub.com/tag/mark-555248" style="font-weight:bold;" target="_blank" title="Click to know more about MARK">MARK</a> as <a href="https://interviewquestions.tuteehub.com/tag/brainlist-2485655" style="font-weight:bold;" target="_blank" title="Click to know more about BRAINLIST">BRAINLIST</a></p></body></html>

Discussion

164.	i. In a covalent compound, the bond is formed due to _ of electrons. ii. Ammonium chloride on heating undergoes _ to produce ammonia and hydrogen chloride. iii.Molecular formula of ammonium sulphate is _. iv.If an element has four electrons in its outermost shell, then it is likely to be_ v. A molecule of _ contains a lone pair of electrons.
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>I couldn't <a href="https://interviewquestions.tuteehub.com/tag/able-361137" style="font-weight:bold;" target="_blank" title="Click to know more about ABLE">ABLE</a> to <a href="https://interviewquestions.tuteehub.com/tag/understand-720010" style="font-weight:bold;" target="_blank" title="Click to know more about UNDERSTAND">UNDERSTAND</a> your <a href="https://interviewquestions.tuteehub.com/tag/question-25051" style="font-weight:bold;" target="_blank" title="Click to know more about QUESTION">QUESTION</a> </p></body></html>

Discussion

165.	Explain carbon 12 and carbon 14
Answer» <html><body><p><strong>Answer:</strong></p><p></p><p></p><h2>Carbon-12 and carbon-14 are <a href="https://interviewquestions.tuteehub.com/tag/two-714195" style="font-weight:bold;" target="_blank" title="Click to know more about TWO">TWO</a> <a href="https://interviewquestions.tuteehub.com/tag/isotopes-1052577" style="font-weight:bold;" target="_blank" title="Click to know more about ISOTOPES">ISOTOPES</a> of the element carbon. The difference between carbon-12 and carbon-14 is the number of neutrons in each of their <a href="https://interviewquestions.tuteehub.com/tag/atoms-887421" style="font-weight:bold;" target="_blank" title="Click to know more about ATOMS">ATOMS</a>. This is how this works. ... Atoms of both isotopes of carbon contain 6 <a href="https://interviewquestions.tuteehub.com/tag/protons-1171004" style="font-weight:bold;" target="_blank" title="Click to know more about PROTONS">PROTONS</a>. Atoms of carbon-12 have 6 neutrons, while atoms of carbon-14 contain 8 neutrons.</h2></body></html>

Discussion

166.	10. Alcoholic extract of aloe underUV light givescolour
Answer» <html><body><p><strong>Answer:</strong></p><p>Yellowish-Brown</p><p></p><p>Extracts from the lyophilized <a href="https://interviewquestions.tuteehub.com/tag/aloe-858250" style="font-weight:bold;" target="_blank" title="Click to know more about ALOE">ALOE</a> <a href="https://interviewquestions.tuteehub.com/tag/vera-3259330" style="font-weight:bold;" target="_blank" title="Click to know more about VERA">VERA</a> leaves powder demonstrated antioxidant and antimicrobial properties. The qualitative analysis of lyophilized Aloe vera leaves, indicated the presence of the <a href="https://interviewquestions.tuteehub.com/tag/ion-1051153" style="font-weight:bold;" target="_blank" title="Click to know more about ION">ION</a> content (Ca2+, K+, Mg2+, Cu2+, Cr3+, Fe2+, Zn2+ etc.) and quantitative analysis (X-ray <a href="https://interviewquestions.tuteehub.com/tag/fluorescence-463117" style="font-weight:bold;" target="_blank" title="Click to know more about FLUORESCENCE">FLUORESCENCE</a> spectrometry) indicated presence of K, Ca, <a href="https://interviewquestions.tuteehub.com/tag/cr-427229" style="font-weight:bold;" target="_blank" title="Click to know more about CR">CR</a>, al...</p><p></p></body></html>

Discussion

167.	What is a electromagnetic
Answer» <html><body><p><strong>Answer:</strong></p><p></p><p><a href="https://interviewquestions.tuteehub.com/tag/electromagnetism-968698" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTROMAGNETISM">ELECTROMAGNETISM</a> is a <a href="https://interviewquestions.tuteehub.com/tag/branch-903540" style="font-weight:bold;" target="_blank" title="Click to know more about BRANCH">BRANCH</a> of Physics, that deals with the electromagnetic force that occurs between electrically charged particles. The electromagnetic force is <a href="https://interviewquestions.tuteehub.com/tag/one-585732" style="font-weight:bold;" target="_blank" title="Click to know more about ONE">ONE</a> of the <a href="https://interviewquestions.tuteehub.com/tag/four-464592" style="font-weight:bold;" target="_blank" title="Click to know more about FOUR">FOUR</a> fundamental <a href="https://interviewquestions.tuteehub.com/tag/forces-16875" style="font-weight:bold;" target="_blank" title="Click to know more about FORCES">FORCES</a> and exhibits electromagnetic fields such as magnetic fields, electric fields, and light.</p><p></p></body></html>

Discussion

168.	Nh3 and hcl are highly soluble in water but o2 and n2 ade abd he slightly solubme .give reasons c
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a>:</strong></p><p>rgrtrgxrvvxtfZ <a href="https://interviewquestions.tuteehub.com/tag/b-387190" style="font-weight:bold;" target="_blank" title="Click to know more about B">B</a> tsxiyn</p></body></html>

Discussion

169.	Differentiate between combination and synthesis reaction with example?
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/combination-922669" style="font-weight:bold;" target="_blank" title="Click to know more about COMBINATION">COMBINATION</a> is a <a href="https://interviewquestions.tuteehub.com/tag/physical-600035" style="font-weight:bold;" target="_blank" title="Click to know more about PHYSICAL">PHYSICAL</a> <a href="https://interviewquestions.tuteehub.com/tag/change-913808" style="font-weight:bold;" target="_blank" title="Click to know more about CHANGE">CHANGE</a> we can combine <a href="https://interviewquestions.tuteehub.com/tag/anything-380254" style="font-weight:bold;" target="_blank" title="Click to know more about ANYTHING">ANYTHING</a> by physically or chemically and synthesis reaction is a chemical reaction</p><p><strong>Explanation:</strong></p><p>mark me as brainliest and give thanks </p></body></html>

Discussion

170.	Give answer in one Word :1. The element with highest ionization potential, is ___.2. The inert electrode used in the electrolysis of acidified water, is ____.3. A compound with low boiling point, is ___.4. The acid which can produce carbon from sugar, is ___.5. The organic compound having a triple carbon - carbon covalent bond, is ____.
Answer» <html><body><ul><li><strong><a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a>:</strong></li><li>Give answer in one Word :</li></ul><p></p><p>1. The element with highest ionization <a href="https://interviewquestions.tuteehub.com/tag/potential-1161228" style="font-weight:bold;" target="_blank" title="Click to know more about POTENTIAL">POTENTIAL</a>, is ___.</p><p>2. The inert electrode <a href="https://interviewquestions.tuteehub.com/tag/used-2318798" style="font-weight:bold;" target="_blank" title="Click to know more about USED">USED</a> in the electrolysis of acidified water, is ____.</p><p>3. A <a href="https://interviewquestions.tuteehub.com/tag/compound-926863" style="font-weight:bold;" target="_blank" title="Click to know more about COMPOUND">COMPOUND</a> with low boiling point, is ___.</p><p>4. The <a href="https://interviewquestions.tuteehub.com/tag/acid-847491" style="font-weight:bold;" target="_blank" title="Click to know more about ACID">ACID</a> which can produce carbon from sugar, is ___.</p><p>5. The organic compound having a triple carbon - carbon covalent bond, is ____.</p><p></p><p></p><h2>please make it a brainliest answer.</h2></body></html>

Discussion

171.	Pls do answer correctly don't just spam
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>a is the answer of the <a href="https://interviewquestions.tuteehub.com/tag/question-25051" style="font-weight:bold;" target="_blank" title="Click to know more about QUESTION">QUESTION</a> <a href="https://interviewquestions.tuteehub.com/tag/pls-591756" style="font-weight:bold;" target="_blank" title="Click to know more about PLS">PLS</a> <a href="https://interviewquestions.tuteehub.com/tag/follower-994231" style="font-weight:bold;" target="_blank" title="Click to know more about FOLLOWER">FOLLOWER</a> meeeeeeeeeeeeeeee</p><p></p></body></html>

Discussion

172.	सोडियम हाइड्रोजन कार्बोनेट को तनु सल्फ्यूरिक अम्ल के साथ क्रिया करने पर क्या होगा?
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p></p><p>हाइड्रोक्लोरिक अम्ल एक प्रमुख अकार्बनिक अम्ल है। वस्तुतः हाइड्रोजन क्लोराइड गैस के जलीय विलयन को ही हाइड्रोक्लोरिक अम्ल कहते हैं।</p><p></p><p>इस अम्ल का उल्लेख ग्लौबर ने १६४८ ई. में पहले पहल किया था। जोसेफ़ प्रीस्टली ने १७७२ में पहले पहल तैयार किया और सर हंफ्री डेवी ने १८१० ई. में सिद्ध किया कि हाइड्रोजन और क्लोरीन का यौगिक है। इससे पहले लोगों की गलत धारणा थी कि इसमें ऑक्सीजन भी रहता है। तब इसका नाम 'म्यूरिएटिक अम्ल' पड़ा या जो आज भी कहीं कहीं प्रयोग में आता है।</p></body></html>

Discussion

173.	State two physical nature of matter
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>Physical nature of matter: <a href="https://interviewquestions.tuteehub.com/tag/based-389387" style="font-weight:bold;" target="_blank" title="Click to know more about BASED">BASED</a> on the physical nature of matter, there are <a href="https://interviewquestions.tuteehub.com/tag/three-708969" style="font-weight:bold;" target="_blank" title="Click to know more about THREE">THREE</a> States of Matter: Solid: Molecules are tightly packed. They are often hard and rigid.</p><p>...</p><p>Physical Nature of Matter- Matter Around Us.</p><p>CHEMISTRY Related Links</p><p>Define Atomic Number <a href="https://interviewquestions.tuteehub.com/tag/allotropes-373156" style="font-weight:bold;" target="_blank" title="Click to know more about ALLOTROPES">ALLOTROPES</a> Of Carbon</p><p>Uses Of Aluminium <a href="https://interviewquestions.tuteehub.com/tag/tungsten-713751" style="font-weight:bold;" target="_blank" title="Click to know more about TUNGSTEN">TUNGSTEN</a> Melting Point</p><p></p><p><strong>Explanation:</strong></p><p>Mark this answer Brainliest if it helps you </p><p></p></body></html>

Discussion

174.	Trensperent material which produces images as same as the object is
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a>:</strong></p><p>: A <a href="https://interviewquestions.tuteehub.com/tag/lens-1071845" style="font-weight:bold;" target="_blank" title="Click to know more about LENS">LENS</a> is an <a href="https://interviewquestions.tuteehub.com/tag/optical-583872" style="font-weight:bold;" target="_blank" title="Click to know more about OPTICAL">OPTICAL</a> <a href="https://interviewquestions.tuteehub.com/tag/device-11244" style="font-weight:bold;" target="_blank" title="Click to know more about DEVICE">DEVICE</a> made of <a href="https://interviewquestions.tuteehub.com/tag/glass-14164" style="font-weight:bold;" target="_blank" title="Click to know more about GLASS">GLASS</a> or any other transparent material.</p></body></html>

Discussion

175.	Hydrogen can have an oxidation of either –1 or +1. When bonded to fluorine, what would hydrogen’s oxidation number be?
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>+1</p><p><strong>Explanation:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/please-601513" style="font-weight:bold;" target="_blank" title="Click to know more about PLEASE">PLEASE</a> <a href="https://interviewquestions.tuteehub.com/tag/mark-555248" style="font-weight:bold;" target="_blank" title="Click to know more about MARK">MARK</a> me as <a href="https://interviewquestions.tuteehub.com/tag/brainliest-1995348" style="font-weight:bold;" target="_blank" title="Click to know more about BRAINLIEST">BRAINLIEST</a></p></body></html>

Discussion

176.	The presence of which fundamental particles was discovered by j j Thomson what is the charge of this particle
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/negatively-7699946" style="font-weight:bold;" target="_blank" title="Click to know more about NEGATIVELY">NEGATIVELY</a> <a href="https://interviewquestions.tuteehub.com/tag/changed-913862" style="font-weight:bold;" target="_blank" title="Click to know more about CHANGED">CHANGED</a> </p><p><strong><a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a>:</strong></p><p>answer is <a href="https://interviewquestions.tuteehub.com/tag/dought-2044923" style="font-weight:bold;" target="_blank" title="Click to know more about DOUGHT">DOUGHT</a> </p></body></html>

Discussion

177.	Calculate the formula unit mass of CaCl2.
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/waah-3266242" style="font-weight:bold;" target="_blank" title="Click to know more about WAAH">WAAH</a> <a href="https://interviewquestions.tuteehub.com/tag/congratulations-424557" style="font-weight:bold;" target="_blank" title="Click to know more about CONGRATULATIONS">CONGRATULATIONS</a> idontknow</p><p></p></body></html>

Discussion

178.	The correct IUPAC name of the given compound isI-C=C-C=C-OCH3 \| \| F CI
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>fhghhhdjgjdjhgskygxjd</p></body></html>

Discussion

179.	Fishes require 600 ppm of oxygen for survival in aquarium. With what pressure are should be kept in equilibrium with water? (KH of O2 = 1.0 Kba, Air contains 20% O2)
Answer»

Discussion

180.	(A): NaCl is ionic whereas AlCl3 is covalent (R): Greater charge on cation increases covalent character A Both A and Rare true and R is the correct explanation of A Both A and Rare true but Ris not the correct explanation of A A is true but Ris false A is false but R is true
Answer» <html><body><p><strong>Answer:</strong></p><p>NaCl is more <a href="https://interviewquestions.tuteehub.com/tag/ionic-1051191" style="font-weight:bold;" target="_blank" title="Click to know more about IONIC">IONIC</a> than AlCl3. In NaCl, both Na and Cl will have an equal <a href="https://interviewquestions.tuteehub.com/tag/charge-914384" style="font-weight:bold;" target="_blank" title="Click to know more about CHARGE">CHARGE</a>. In AlCl3, the charge of the cation Al3+ is higher when compared to Na+ while the anion Cl is the same in both the compounds. Therefore, <a href="https://interviewquestions.tuteehub.com/tag/according-366619" style="font-weight:bold;" target="_blank" title="Click to know more about ACCORDING">ACCORDING</a> to Fajan's rule, AlCl3 is more covalent than NaCl.so A is correct .</p><p></p><p></p><p>The covalent character <a href="https://interviewquestions.tuteehub.com/tag/always-373607" style="font-weight:bold;" target="_blank" title="Click to know more about ALWAYS">ALWAYS</a> increases down the <a href="https://interviewquestions.tuteehub.com/tag/group-1013370" style="font-weight:bold;" target="_blank" title="Click to know more about GROUP">GROUP</a>. This is because as the electron cloud moves further away from the nucleus of the atom,it becomes easier to share the electrons with other atoms. And so the covalent character always decreases across a period..so this is also true </p><p><strong>Explanation:</strong></p><p>so both a and r are true and r the correct explaination of a</p></body></html>

Discussion

181.	MO Configuration of (NO3)- and hence find its Bond Order?
Answer» <html><body><p><strong>Answer:</strong></p><p>MP3 is that's <a href="https://interviewquestions.tuteehub.com/tag/frightened-2660907" style="font-weight:bold;" target="_blank" title="Click to know more about FRIGHTENED">FRIGHTENED</a> the science of you tell me what you <a href="https://interviewquestions.tuteehub.com/tag/think-661001" style="font-weight:bold;" target="_blank" title="Click to know more about THINK">THINK</a> you can see the hindi me janiye jab may be a good time</p><p><strong>Explanation:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/huge-1032540" style="font-weight:bold;" target="_blank" title="Click to know more about HUGE">HUGE</a> <a href="https://interviewquestions.tuteehub.com/tag/videos-25654" style="font-weight:bold;" target="_blank" title="Click to know more about VIDEOS">VIDEOS</a> tube of you tell us what tunes and you can you are</p></body></html>

Discussion

182.	If you answer this correctly I will mark you as brainlist....Name the probable cation present in each of the following solutions 1. Colourless Solution2. Pink coloured solution3. Green coloured Solution4. Purple coloured solution5. Yellow coloured solution
Answer» <html><body><p><strong>Answer:</strong></p><p>purple is the coloured solution</p><p><strong>Explanation:</strong></p><p>for <a href="https://interviewquestions.tuteehub.com/tag/example-978283" style="font-weight:bold;" target="_blank" title="Click to know more about EXAMPLE">EXAMPLE</a> </p><p>u can <a href="https://interviewquestions.tuteehub.com/tag/take-662846" style="font-weight:bold;" target="_blank" title="Click to know more about TAKE">TAKE</a> a <a href="https://interviewquestions.tuteehub.com/tag/kala-529315" style="font-weight:bold;" target="_blank" title="Click to know more about KALA">KALA</a> jamaun </p><p>and spreed in the cotton </p><p>and dip in water then the </p><p>cotton will be coloured</p></body></html>

Discussion

183.	A student on adding (i) Na metal (ii) Na,CO, and (ii ) NaHCO, solution in acetic acid in test tuba A,B, C would observe that the gas evolved in the three test tubes respectively area) H,, CO2, CO2 b) CO2, H2, CO2 C) CO, CO, H2 d) CO2, CO, H2explain how?
Answer» <html><body><p></p><p><img align="absmiddle" alt="\tt\huge\red{A}\pink{n}\orange{s}\green{w}\blue{e}\gray{r}" class="latex-formula" id="TexFormula1" src="https://tex.z-dn.net/?f=%20%5Ctt%5Chuge%5Cred%7BA%7D%5Cpink%7Bn%7D%5Corange%7Bs%7D%5Cgreen%7Bw%7D%5Cblue%7Be%7D%5Cgray%7Br%7D" title="\tt\huge\red{A}\pink{n}\orange{s}\green{w}\blue{e}\gray{r}"/></p><p>The reaction between baking soda (sodium bicarbonate) and <a href="https://interviewquestions.tuteehub.com/tag/vinegar-727525" style="font-weight:bold;" target="_blank" title="Click to know more about VINEGAR">VINEGAR</a> (<a href="https://interviewquestions.tuteehub.com/tag/dilute-431950" style="font-weight:bold;" target="_blank" title="Click to know more about DILUTE">DILUTE</a> acetic acid) generates carbon <a href="https://interviewquestions.tuteehub.com/tag/dioxide-954355" style="font-weight:bold;" target="_blank" title="Click to know more about DIOXIDE">DIOXIDE</a> <a href="https://interviewquestions.tuteehub.com/tag/gas-1003521" style="font-weight:bold;" target="_blank" title="Click to know more about GAS">GAS</a> which is a colorless and <a href="https://interviewquestions.tuteehub.com/tag/odorless-1128271" style="font-weight:bold;" target="_blank" title="Click to know more about ODORLESS">ODORLESS</a> gas. Hence, on adding acetic acid to sodium hydrogen carbonate in a test tube, bubbles of a colorless and odorless gas is observed.</p><p></p><p> Option C is correct.</p><p></p><p><img align="absmiddle" alt="\tt\huge\red{❥︎A}\pink{n}\orange{s}\green{h}\blue{u}\gray{}" class="latex-formula" id="TexFormula2" src="https://tex.z-dn.net/?f=%20%5Ctt%5Chuge%5Cred%7B%E2%9D%A5%EF%B8%8EA%7D%5Cpink%7Bn%7D%5Corange%7Bs%7D%5Cgreen%7Bh%7D%5Cblue%7Bu%7D%5Cgray%7B%7D" title="\tt\huge\red{❥︎A}\pink{n}\orange{s}\green{h}\blue{u}\gray{}"/></p></body></html>

Discussion

184.	What is galactose ? What is its reactant when produced in product form?
Answer» <html><body><p><strong>Answer:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/galactose-469989" style="font-weight:bold;" target="_blank" title="Click to know more about GALACTOSE">GALACTOSE</a> is a monosaccharide. When combined with glucose (monosaccharide), through a condensation reaction, the <a href="https://interviewquestions.tuteehub.com/tag/result-1187343" style="font-weight:bold;" target="_blank" title="Click to know more about RESULT">RESULT</a> is a disaccharide called lactose. The hydrolysis of lactose to glucose and galactose is catalyzed by the <a href="https://interviewquestions.tuteehub.com/tag/enzymes-15150" style="font-weight:bold;" target="_blank" title="Click to know more about ENZYMES">ENZYMES</a> <a href="https://interviewquestions.tuteehub.com/tag/lactase-1065551" style="font-weight:bold;" target="_blank" title="Click to know more about LACTASE">LACTASE</a> and β-galactosidase.</p><p></p><p></p><p></p></body></html>

Discussion

185.	The most energetic electromagnetic radiation originates from:(a) Nuclear reactor (b) Outer space (c) Nucleus of H atom (d) Ultrasonic rocket
Answer» <html><body><p>I <a href="https://interviewquestions.tuteehub.com/tag/think-661001" style="font-weight:bold;" target="_blank" title="Click to know more about THINK">THINK</a> it's <a href="https://interviewquestions.tuteehub.com/tag/outer-1142537" style="font-weight:bold;" target="_blank" title="Click to know more about OUTER">OUTER</a> <a href="https://interviewquestions.tuteehub.com/tag/space-649515" style="font-weight:bold;" target="_blank" title="Click to know more about SPACE">SPACE</a> ..</p><p></p></body></html>

Discussion

186.	Which of the following heated of KOH and primary amine gives carbylamines testa)chcl3b)CH2Cl2c)CH3OHd)CCl4
Answer» <html><body><p><strong>Answer:</strong></p><p>The carbylamine <a href="https://interviewquestions.tuteehub.com/tag/reaction-22747" style="font-weight:bold;" target="_blank" title="Click to know more about REACTION">REACTION</a> is the <a href="https://interviewquestions.tuteehub.com/tag/synthesis-658129" style="font-weight:bold;" target="_blank" title="Click to know more about SYNTHESIS">SYNTHESIS</a> of an isocyanide by the reaction of a <a href="https://interviewquestions.tuteehub.com/tag/primary-1165403" style="font-weight:bold;" target="_blank" title="Click to know more about PRIMARY">PRIMARY</a> amine, chloroform, and base.</p><p></p><p>Hence, option <strong>a</strong> is correct.</p><p></p><p></p><h3>Like and <a href="https://interviewquestions.tuteehub.com/tag/mark-555248" style="font-weight:bold;" target="_blank" title="Click to know more about MARK">MARK</a> as <a href="https://interviewquestions.tuteehub.com/tag/brainliest-1995348" style="font-weight:bold;" target="_blank" title="Click to know more about BRAINLIEST">BRAINLIEST</a>, it really motivates! </h3></body></html>

Discussion

187.	Distinguish chemically between ferrous chloride and ammonium chloride
Answer» <html><body><p><strong>Answer:</strong></p><p>NH4Cl on strong heating sublimes to <a href="https://interviewquestions.tuteehub.com/tag/form-996208" style="font-weight:bold;" target="_blank" title="Click to know more about FORM">FORM</a> <a href="https://interviewquestions.tuteehub.com/tag/dense-431539" style="font-weight:bold;" target="_blank" title="Click to know more about DENSE">DENSE</a> white fumes which condense to white powdery mass on cooler parts of the tube whereas no white fumes on heating NaCl. (<a href="https://interviewquestions.tuteehub.com/tag/b-387190" style="font-weight:bold;" target="_blank" title="Click to know more about B">B</a>) When ammonium <a href="https://interviewquestions.tuteehub.com/tag/hydroxide-493242" style="font-weight:bold;" target="_blank" title="Click to know more about HYDROXIDE">HYDROXIDE</a> is added drop wise to solution to be tested. Ferrous <a href="https://interviewquestions.tuteehub.com/tag/salt-1193804" style="font-weight:bold;" target="_blank" title="Click to know more about SALT">SALT</a> gives dirty green ppt.</p></body></html>

Discussion

188.	Which pasticals are present in nucleus of an atom?
Answer» <html><body><p><strong>Answer:</strong></p><p>The nucleus is a collection of <a href="https://interviewquestions.tuteehub.com/tag/particles-1147533" style="font-weight:bold;" target="_blank" title="Click to know more about PARTICLES">PARTICLES</a> called <a href="https://interviewquestions.tuteehub.com/tag/protons-1171004" style="font-weight:bold;" target="_blank" title="Click to know more about PROTONS">PROTONS</a>, which are positively charged, and neutrons, which are <a href="https://interviewquestions.tuteehub.com/tag/electrically-7381673" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTRICALLY">ELECTRICALLY</a> neutral. Protons and neutrons are in turn made up of particles called <a href="https://interviewquestions.tuteehub.com/tag/quarks-1174284" style="font-weight:bold;" target="_blank" title="Click to know more about QUARKS">QUARKS</a>. The chemical element of an atom is determined by the number of protons, or the atomic number, Z, of the nucleus.</p><p><strong>Explanation:</strong></p><p>내 이름 콴</p><p>감사☺☺☺</p></body></html>

Discussion

189.	Container A = 100 g of 109% oleum Container B = 100 g of 118% oleum Ratio of % of free SO, in container A and B
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/please-601513" style="font-weight:bold;" target="_blank" title="Click to know more about PLEASE">PLEASE</a> <a href="https://interviewquestions.tuteehub.com/tag/mark-555248" style="font-weight:bold;" target="_blank" title="Click to know more about MARK">MARK</a> as <a href="https://interviewquestions.tuteehub.com/tag/branliest-2007344" style="font-weight:bold;" target="_blank" title="Click to know more about BRANLIEST">BRANLIEST</a> answer </p></body></html>

Discussion

190.	VIJAYANT PAGE NO.: DATE: कोल्वे अभिक्रिया पर लघु नोट लिखे
Answer» <html><body><p><strong>Answer:</strong></p><p></p><p><strong>Explanation:</strong></p><p>The <a href="https://interviewquestions.tuteehub.com/tag/kolbe-2148993" style="font-weight:bold;" target="_blank" title="Click to know more about KOLBE">KOLBE</a>–Schmitt reaction or Kolbe process (named after <a href="https://interviewquestions.tuteehub.com/tag/hermann-7875634" style="font-weight:bold;" target="_blank" title="Click to know more about HERMANN">HERMANN</a> Kolbe and Rudolf Schmitt) is a carboxylation chemical reaction that <a href="https://interviewquestions.tuteehub.com/tag/proceeds-1167340" style="font-weight:bold;" target="_blank" title="Click to know more about PROCEEDS">PROCEEDS</a> by <a href="https://interviewquestions.tuteehub.com/tag/heating-1017297" style="font-weight:bold;" target="_blank" title="Click to know more about HEATING">HEATING</a> sodium phenoxide (the sodium salt of phenol) with carbon dioxide under pressure (100 <a href="https://interviewquestions.tuteehub.com/tag/atm-364409" style="font-weight:bold;" target="_blank" title="Click to know more about ATM">ATM</a>, 125 °C), then treating the product with sulfuric acid.</p></body></html>

Discussion

191.	What is the difference between “Optical Chopper” and “Beam Splitter?
Answer» <html><body><p><strong>Explanation:</strong></p><p>sv <a href="https://interviewquestions.tuteehub.com/tag/2nd-300843" style="font-weight:bold;" target="_blank" title="Click to know more about 2ND">2ND</a> <a href="https://interviewquestions.tuteehub.com/tag/zh-3306768" style="font-weight:bold;" target="_blank" title="Click to know more about ZH">ZH</a> kcal stjdsu zrj <a href="https://interviewquestions.tuteehub.com/tag/cs-428076" style="font-weight:bold;" target="_blank" title="Click to know more about CS">CS</a> <a href="https://interviewquestions.tuteehub.com/tag/ru-1191895" style="font-weight:bold;" target="_blank" title="Click to know more about RU">RU</a> <a href="https://interviewquestions.tuteehub.com/tag/bc-389540" style="font-weight:bold;" target="_blank" title="Click to know more about BC">BC</a> xej</p></body></html>

Discussion

192.	Why Urea is incapable of donating Proton in water whereas it readily donates proton in liquid Ammonia?!?!?
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p></p><p><strong><a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a>:</strong></p><p>Urea is a non-polar subtance </p><p>water is polar substance </p><p>polar <a href="https://interviewquestions.tuteehub.com/tag/dissolves-956402" style="font-weight:bold;" target="_blank" title="Click to know more about DISSOLVES">DISSOLVES</a> only in polar substances.</p><p>because of this urea Urea is incapable of donating <a href="https://interviewquestions.tuteehub.com/tag/proton-1170983" style="font-weight:bold;" target="_blank" title="Click to know more about PROTON">PROTON</a> in water</p></body></html>

Discussion

193.	4gFeSO4 crystals are heated in a dry boiling tubeList any two observations.Name the type of chemical reaction taking place. Write balanced chemical equation for two reaction
Answer» <html><body><p><strong>Answer:</strong></p><p>— (i) List any <a href="https://interviewquestions.tuteehub.com/tag/two-714195" style="font-weight:bold;" target="_blank" title="Click to know more about TWO">TWO</a> observations. ( ii) Name the <a href="https://interviewquestions.tuteehub.com/tag/type-715478" style="font-weight:bold;" target="_blank" title="Click to know more about TYPE">TYPE</a> of chemical <a href="https://interviewquestions.tuteehub.com/tag/reaction-22747" style="font-weight:bold;" target="_blank" title="Click to know more about REACTION">REACTION</a> taking place. (<a href="https://interviewquestions.tuteehub.com/tag/iii-497983" style="font-weight:bold;" target="_blank" title="Click to know more about III">III</a>) 'Write the chemical <a href="https://interviewquestions.tuteehub.com/tag/equation-974081" style="font-weight:bold;" target="_blank" title="Click to know more about EQUATION">EQUATION</a> for the</p></body></html>

Discussion

194.	The atomic number of an element is 20 in the modern periodic table this element belongs to the periodwith full explanation please
Answer» <html><body><p><strong>Answer:</strong></p><p>4 <a href="https://interviewquestions.tuteehub.com/tag/period-1151023" style="font-weight:bold;" target="_blank" title="Click to know more about PERIOD">PERIOD</a> and <a href="https://interviewquestions.tuteehub.com/tag/2nd-300843" style="font-weight:bold;" target="_blank" title="Click to know more about 2ND">2ND</a> group </p><p>explanation </p><p> because this <a href="https://interviewquestions.tuteehub.com/tag/element-969236" style="font-weight:bold;" target="_blank" title="Click to know more about ELEMENT">ELEMENT</a> have <a href="https://interviewquestions.tuteehub.com/tag/20-287209" style="font-weight:bold;" target="_blank" title="Click to know more about 20">20</a> positive change </p><p>so this element have 20 atomic and 20 no is <a href="https://interviewquestions.tuteehub.com/tag/lie-1073081" style="font-weight:bold;" target="_blank" title="Click to know more about LIE">LIE</a> in 4 period </p></body></html>

Discussion

195.	Describe PV isotherm of real gas
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>Real-gas isothermsAccording to the Ideal Gas Equation, PV=nRT, pressure and volume should have an inverse relationship. <a href="https://interviewquestions.tuteehub.com/tag/notice-25787" style="font-weight:bold;" target="_blank" title="Click to know more about NOTICE">NOTICE</a> that the <a href="https://interviewquestions.tuteehub.com/tag/higher-1022060" style="font-weight:bold;" target="_blank" title="Click to know more about HIGHER">HIGHER</a> isotherms on the graph, which represent the gas' state at higher temperature, <a href="https://interviewquestions.tuteehub.com/tag/show-642916" style="font-weight:bold;" target="_blank" title="Click to know more about SHOW">SHOW</a> the <a href="https://interviewquestions.tuteehub.com/tag/typical-1434778" style="font-weight:bold;" target="_blank" title="Click to know more about TYPICAL">TYPICAL</a>, concave decreasing curve of an inverse relationship.</p></body></html>

Discussion

196.	Balance the following reaction and identify the substances getting oxidized and reduced
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a>:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/explain-447165" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLAIN">EXPLAIN</a> the <a href="https://interviewquestions.tuteehub.com/tag/economic-448435" style="font-weight:bold;" target="_blank" title="Click to know more about ECONOMIC">ECONOMIC</a> <a href="https://interviewquestions.tuteehub.com/tag/benefits-25528" style="font-weight:bold;" target="_blank" title="Click to know more about BENEFITS">BENEFITS</a> of <a href="https://interviewquestions.tuteehub.com/tag/forests-464072" style="font-weight:bold;" target="_blank" title="Click to know more about FORESTS">FORESTS</a>. ..</p></body></html>

Discussion

197.	Which factors are common for weathering and erosion?
Answer» <html><body><p>Water, <a href="https://interviewquestions.tuteehub.com/tag/acids-366963" style="font-weight:bold;" target="_blank" title="Click to know more about ACIDS">ACIDS</a>, salt, <a href="https://interviewquestions.tuteehub.com/tag/plants-601210" style="font-weight:bold;" target="_blank" title="Click to know more about PLANTS">PLANTS</a>, <a href="https://interviewquestions.tuteehub.com/tag/animals-875924" style="font-weight:bold;" target="_blank" title="Click to know more about ANIMALS">ANIMALS</a>, and changes in temperature are all <a href="https://interviewquestions.tuteehub.com/tag/agents-17824" style="font-weight:bold;" target="_blank" title="Click to know more about AGENTS">AGENTS</a> of weathering and <a href="https://interviewquestions.tuteehub.com/tag/erosion-974836" style="font-weight:bold;" target="_blank" title="Click to know more about EROSION">EROSION</a></p></body></html>

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198.	What is a mass In chemistry
Answer» <html><body><p><strong>Answer:</strong></p><p>Mass is anything that occupies <strong>space</strong> and has an amount of <strong>matter</strong> in it. </p><p><strong>Explanation:</strong></p><p>The <a href="https://interviewquestions.tuteehub.com/tag/objects-20533" style="font-weight:bold;" target="_blank" title="Click to know more about OBJECTS">OBJECTS</a> around us are made up of matter. They have mass and occupy space. Mass of a substance is <a href="https://interviewquestions.tuteehub.com/tag/always-373607" style="font-weight:bold;" target="_blank" title="Click to know more about ALWAYS">ALWAYS</a> <em>constant</em>. Its SI unit is <u><a href="https://interviewquestions.tuteehub.com/tag/kilogram-533220" style="font-weight:bold;" target="_blank" title="Click to know more about KILOGRAM">KILOGRAM</a></u>. The mass of a substance is <a href="https://interviewquestions.tuteehub.com/tag/accurately-361462" style="font-weight:bold;" target="_blank" title="Click to know more about ACCURATELY">ACCURATELY</a> measured using an <a href="https://interviewquestions.tuteehub.com/tag/analytical-1977133" style="font-weight:bold;" target="_blank" title="Click to know more about ANALYTICAL">ANALYTICAL</a> balance.</p></body></html>

Discussion

199.	In daniel cell the cell potential is always what
Answer» <html><body><p>The definitions of <a href="https://interviewquestions.tuteehub.com/tag/electrical-968148" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTRICAL">ELECTRICAL</a> units that were <a href="https://interviewquestions.tuteehub.com/tag/proposed-1170346" style="font-weight:bold;" target="_blank" title="Click to know more about PROPOSED">PROPOSED</a> at the 1881 International <a href="https://interviewquestions.tuteehub.com/tag/conference-424453" style="font-weight:bold;" target="_blank" title="Click to know more about CONFERENCE">CONFERENCE</a> of Electricians were designed so that the electromotive force of the Daniell cell would be about 1.0 volts. With contemporary definitions, the standard potential of the Daniell cell at 25 °C is <a href="https://interviewquestions.tuteehub.com/tag/actually-1968034" style="font-weight:bold;" target="_blank" title="Click to know more about ACTUALLY">ACTUALLY</a> 1.10 <a href="https://interviewquestions.tuteehub.com/tag/v-722631" style="font-weight:bold;" target="_blank" title="Click to know more about V">V</a>.</p></body></html>

Discussion

200.	Write the value of slope where a graph is plotted in between log K & 1/T. (Where K = rate constant, 1= temperature) ?
Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>the <a href="https://interviewquestions.tuteehub.com/tag/correct-409949" style="font-weight:bold;" target="_blank" title="Click to know more about CORRECT">CORRECT</a> answer is <a href="https://interviewquestions.tuteehub.com/tag/option-25810" style="font-weight:bold;" target="_blank" title="Click to know more about OPTION">OPTION</a> no <a href="https://interviewquestions.tuteehub.com/tag/3-301577" style="font-weight:bold;" target="_blank" title="Click to know more about 3">3</a> </p></body></html>

Discussion

Explore topic-wise InterviewSolutions in Chemistry.

Name any four chemicals manufactured using common salt as a raw material​

CH3-C(OH)2-C(OH)2-CH3 IUPAC name

Corrugated iron sheets are coated with a greyish substance to prevent them from rusting.a)Name the substance.b)Name the process.c)Make a scratch on such a sheet , observe it after a few weeks .what do you expect?​

34.2 g of sugar was dissolved in water to produce 214.2 g of sugar syrup. Calculate molality and mole fraction of sugar in the syrup. Given C = 12 and O = 16

In a photoelectric experiment, kinetic energy of photoelectron is 18.2 × 10^-19 J. the wavelength of incident light is X ×10^-8m , if work function of metal is 1eV, then value of X is ____.(planks constant= 6.6×10^-34Js and 1eV =1.6×10^-19J)please help me out ​

Hydrogen is not a metal but it has been assigned a place in thereactivity series of metals. Why? (PLZ GIVE ANSWER IN SIMPLE WORDS)

18. Which amongst the following represents a photochemical decomposition?a. CaCO3(s) - CaO(s) + CO2(g) b. 2AgBr(s) → 2Ag(s) + Br2(g) C.2H2O(l) → 2H2(g) + O2(g) d. 2FeSO4(s) Fe2O3(s) + SO2(g) + S03(g)​

state heisenberg uncertainty principle and calculate the value of delta v delta x with mass about a milligram ​

Oxidation process in refining with suitable example and figures​

What the unit of force constant

In a compound elements are present if fixed ratio by mass .true /false​

When a metallic sulphite is decomposed which gas is evolved​

फेनिल लिथियम पिरीडिन से क्रिया करके क्या बनता है​

Explain carbon 12 and carbon 14​

10. Alcoholic extract of aloe underUV light givescolour​

What is a electromagnetic​

Nh3 and hcl are highly soluble in water but o2 and n2 ade abd he slightly solubme .give reasons c​

Differentiate between combination and synthesis reaction with example? ​

Pls do answer correctly don't just spam​

सोडियम हाइड्रोजन कार्बोनेट को तनु सल्फ्यूरिक अम्ल के साथ क्रिया करने पर क्या होगा? ​

State two physical nature of matter​

Trensperent material which produces images as same as the object is

Hydrogen can have an oxidation of either –1 or +1. When bonded to fluorine, what would hydrogen’s oxidation number be?

The presence of which fundamental particles was discovered by j j Thomson what is the charge of this particle

Calculate the formula unit mass of CaCl2.​

The correct IUPAC name of the given compound isI-C=C-C=C-OCH3 | | F CI​

Fishes require 600 ppm of oxygen for survival in aquarium. With what pressure are should be kept in equilibrium with water? (KH of O2 = 1.0 Kba, Air contains 20% O2)

(A): NaCl is ionic whereas AlCl3 is covalent (R): Greater charge on cation increases covalent character A Both A and Rare true and R is the correct explanation of A Both A and Rare true but Ris not the correct explanation of A A is true but Ris false A is false but R is true​

MO Configuration of (NO3)- and hence find its Bond Order?​

If you answer this correctly I will mark you as brainlist....*Name the probable cation present in each of the following solutions* 1. Colourless Solution2. Pink coloured solution3. Green coloured Solution4. Purple coloured solution5. Yellow coloured solution​

A student on adding (i) Na metal (ii) Na,CO, and (ii ) NaHCO, solution in acetic acid in test tuba A,B, C would observe that the gas evolved in the three test tubes respectively area) H,, CO2, CO2 b) CO2, H2, CO2 C) CO, CO, H2 d) CO2, CO, H2explain how?​

What is galactose ? What is its reactant when produced in product form?​

The most energetic electromagnetic radiation originates from:(a) Nuclear reactor (b) Outer space (c) Nucleus of H atom (d) Ultrasonic rocket​

Which of the following heated of KOH and primary amine gives carbylamines testa)chcl3b)CH2Cl2c)CH3OHd)CCl4​

Distinguish chemically between ferrous chloride and ammonium chloride​

Which pasticals are present in nucleus of an atom?​

Container A = 100 g of 109% oleum Container B = 100 g of 118% oleum Ratio of % of free SO, in container A and B​

VIJAYANT PAGE NO.: DATE: कोल्वे अभिक्रिया पर लघु नोट लिखे​

What is the difference between “Optical Chopper” and “Beam Splitter?​

Why Urea is incapable of donating Proton in water whereas it readily donates proton in liquid Ammonia?!?!?​

4gFeSO4 crystals are heated in a dry boiling tubeList any two observations.Name the type of chemical reaction taking place. Write balanced chemical equation for two reaction

The atomic number of an element is 20 in the modern periodic table this element belongs to the periodwith full explanation please​

Describe PV isotherm of real gas

Balance the following reaction and identify the substances getting oxidized and reduced

Which factors are common for weathering and erosion?

What is a mass In chemistry

In daniel cell the cell potential is always what

Write the value of slope where a graph is plotted in between log K & 1/T. (Where K = rate constant, 1= temperature) ?​

Name any four chemicals manufactured using common salt as a raw material

Corrugated iron sheets are coated with a greyish substance to prevent them from rusting.a)Name the substance.b)Name the process.c)Make a scratch on such a sheet , observe it after a few weeks .what do you expect?

In a photoelectric experiment, kinetic energy of photoelectron is 18.2 × 10^-19 J. the wavelength of incident light is X ×10^-8m , if work function of metal is 1eV, then value of X is ____.(planks constant= 6.6×10^-34Js and 1eV =1.6×10^-19J)please help me out

18. Which amongst the following represents a photochemical decomposition?a. CaCO3(s) - CaO(s) + CO2(g) b. 2AgBr(s) → 2Ag(s) + Br2(g) C.2H2O(l) → 2H2(g) + O2(g) d. 2FeSO4(s) Fe2O3(s) + SO2(g) + S03(g)

state heisenberg uncertainty principle and calculate the value of delta v delta x with mass about a milligram

Oxidation process in refining with suitable example and figures

In a compound elements are present if fixed ratio by mass .true /false

When a metallic sulphite is decomposed which gas is evolved

फेनिल लिथियम पिरीडिन से क्रिया करके क्या बनता है

Explain carbon 12 and carbon 14

10. Alcoholic extract of aloe underUV light givescolour

What is a electromagnetic

Nh3 and hcl are highly soluble in water but o2 and n2 ade abd he slightly solubme .give reasons c

Differentiate between combination and synthesis reaction with example?

Pls do answer correctly don't just spam

सोडियम हाइड्रोजन कार्बोनेट को तनु सल्फ्यूरिक अम्ल के साथ क्रिया करने पर क्या होगा?

State two physical nature of matter

Calculate the formula unit mass of CaCl2.

The correct IUPAC name of the given compound isI-C=C-C=C-OCH3 | | F CI

(A): NaCl is ionic whereas AlCl3 is covalent (R): Greater charge on cation increases covalent character A Both A and Rare true and R is the correct explanation of A Both A and Rare true but Ris not the correct explanation of A A is true but Ris false A is false but R is true

MO Configuration of (NO3)- and hence find its Bond Order?

If you answer this correctly I will mark you as brainlist....Name the probable cation present in each of the following solutions 1. Colourless Solution2. Pink coloured solution3. Green coloured Solution4. Purple coloured solution5. Yellow coloured solution

A student on adding (i) Na metal (ii) Na,CO, and (ii ) NaHCO, solution in acetic acid in test tuba A,B, C would observe that the gas evolved in the three test tubes respectively area) H,, CO2, CO2 b) CO2, H2, CO2 C) CO, CO, H2 d) CO2, CO, H2explain how?

What is galactose ? What is its reactant when produced in product form?

The most energetic electromagnetic radiation originates from:(a) Nuclear reactor (b) Outer space (c) Nucleus of H atom (d) Ultrasonic rocket

Which of the following heated of KOH and primary amine gives carbylamines testa)chcl3b)CH2Cl2c)CH3OHd)CCl4

Distinguish chemically between ferrous chloride and ammonium chloride

Which pasticals are present in nucleus of an atom?

Container A = 100 g of 109% oleum Container B = 100 g of 118% oleum Ratio of % of free SO, in container A and B

VIJAYANT PAGE NO.: DATE: कोल्वे अभिक्रिया पर लघु नोट लिखे

What is the difference between “Optical Chopper” and “Beam Splitter?

Why Urea is incapable of donating Proton in water whereas it readily donates proton in liquid Ammonia?!?!?

The atomic number of an element is 20 in the modern periodic table this element belongs to the periodwith full explanation please

Write the value of slope where a graph is plotted in between log K & 1/T. (Where K = rate constant, 1= temperature) ?