Explore topic-wise InterviewSolutions in Chemistry.

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251.

~~Givw an example list two informations which make a chemical equation more useful (informative).​

Answer» <html><body><p><strong>Answer:</strong></p><p>(a) The various ways in which a <a href="https://interviewquestions.tuteehub.com/tag/chemical-914796" style="font-weight:bold;" target="_blank" title="Click to know more about CHEMICAL">CHEMICAL</a> equation can be made more <a href="https://interviewquestions.tuteehub.com/tag/informative-499229" style="font-weight:bold;" target="_blank" title="Click to know more about INFORMATIVE">INFORMATIVE</a> are : (i) By indicating the physical states of the reactants and products. Example: Gaseous state is indicated by the symbol (g). (<a href="https://interviewquestions.tuteehub.com/tag/ii-1036832" style="font-weight:bold;" target="_blank" title="Click to know more about II">II</a>) By indicating the heat <a href="https://interviewquestions.tuteehub.com/tag/changes-913881" style="font-weight:bold;" target="_blank" title="Click to know more about CHANGES">CHANGES</a> taking place in the <a href="https://interviewquestions.tuteehub.com/tag/reaction-22747" style="font-weight:bold;" target="_blank" title="Click to know more about REACTION">REACTION</a>.</p><p></p></body></html>
Discussion
252.

"We need to balance skeletal chemical equation. " Give reason to justify this statement.​

Answer» <html><body><p>Brainliest</p><p></p><p>Balanced chemical equation: A chemical equation in which the number of atoms of reactants are equal to the number of atoms of <a href="https://interviewquestions.tuteehub.com/tag/products-18828" style="font-weight:bold;" target="_blank" title="Click to know more about PRODUCTS">PRODUCTS</a> is called a balanced equation.</p><p></p><p>We need to balance a <a href="https://interviewquestions.tuteehub.com/tag/skeletal-3036405" style="font-weight:bold;" target="_blank" title="Click to know more about SKELETAL">SKELETAL</a> chemical equation because:</p><p></p><p>i. <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 the law of conservation of mass, mass (or atoms) are <a href="https://interviewquestions.tuteehub.com/tag/neither-1113494" style="font-weight:bold;" target="_blank" title="Click to know more about NEITHER">NEITHER</a> created nor destroyed in chemical reactions.</p><p></p><p>ii. It means the <a href="https://interviewquestions.tuteehub.com/tag/total-711110" style="font-weight:bold;" target="_blank" title="Click to know more about TOTAL">TOTAL</a> mass of the products formed in chemical reaction must be equal to the mass of reactants consumed</p></body></html>
Discussion
253.

Give examples of compounds containing Oxygen and nitrogen functional group​

Answer» <html><body><p><strong>Explanation:</strong></p><p>What Is the <a href="https://interviewquestions.tuteehub.com/tag/cash-910172" style="font-weight:bold;" target="_blank" title="Click to know more about CASH">CASH</a> Conversion Cycle (CCC)?</p><p>The cash conversion cycle (CCC) is a metric that expresses the time (measured in days) it takes for a company to convert its investments in inventory and other resources into cash <a href="https://interviewquestions.tuteehub.com/tag/flows-993448" style="font-weight:bold;" target="_blank" title="Click to know more about FLOWS">FLOWS</a> from sales. Also called the Net Operating Cycle or simply Cash Cycle, CCC attempts to <a href="https://interviewquestions.tuteehub.com/tag/measure-1091857" style="font-weight:bold;" target="_blank" title="Click to know more about MEASURE">MEASURE</a> how long each net input dollar is tied up in the production and sales process before it gets <a href="https://interviewquestions.tuteehub.com/tag/converted-2543437" style="font-weight:bold;" target="_blank" title="Click to know more about CONVERTED">CONVERTED</a> into cash received.</p><p></p><p>This metric takes into account how much time the company needs to sell its inventory, how much time it takes to collect receivables, and how much time it has to pay its bills.</p><p></p></body></html>
Discussion
254.

What is the frequency of a photon with a wavelength of 781 nm. Report your answers to three significant digits.The frequency is = _________ s-1

Answer» <html><body><p>&lt;<a href="https://interviewquestions.tuteehub.com/tag/p-588962" style="font-weight:bold;" target="_blank" title="Click to know more about P">P</a>&gt;<strong>Explanation:</strong></p><p>x² + 7x + 10 is the required <a href="https://interviewquestions.tuteehub.com/tag/polynomial-1158688" style="font-weight:bold;" target="_blank" title="Click to know more about POLYNOMIAL">POLYNOMIAL</a>.</p><p></p><p>Explanation :</p><p></p><p>According to the Question</p><p></p><p>It is given that α and β are the zeroes of a polynomial .</p><p></p><p><a href="https://interviewquestions.tuteehub.com/tag/sum-1234400" style="font-weight:bold;" target="_blank" title="Click to know more about SUM">SUM</a> of <a href="https://interviewquestions.tuteehub.com/tag/zeros-751194" style="font-weight:bold;" target="_blank" title="Click to know more about ZEROS">ZEROS</a> (α+β) = -<a href="https://interviewquestions.tuteehub.com/tag/7-332378" style="font-weight:bold;" target="_blank" title="Click to know more about 7">7</a></p><p></p><p>Product of Zeros (αβ) = 10</p><p></p><p>we need to calculate the polynomial.</p><p></p><p>As we know that if the sum of zeros and product of zeros are given we can easily calculate the polynomial .</p><p></p><p>Let the Polynomial be P(x)</p><p></p><p>• P(x) = x²-(sum of zeros)x + (product of zeros)</p><p></p><p>Substitute the value we get</p><p></p><p>➻ P(x) = x²-(-7)x + (10)</p><p></p><p>➻ P(x) = x²+7x+10</p><p></p><p>So, the required polynomial is x² + 7x + 10.</p></body></html>
Discussion
255.

Below is the energy level diagram (not drawn to scale) representing the transitions made by an electron in a hydrogen atom that result in the observed lines of both the absorption and emission spectra. Some are in the visible region, and some are not.4 different energy photons are represented (approximate wavelengths are given in parentheses):infrared (~ 10e-4 m)red (~ 10e-6 m)blue (~ 10e-7 m)ultraviolet (~ 10e-8 m)Match the transition (a - h) with the photon described (approximate wavelengths are given in parentheses.) Your answer input should be a single, lower case letter.(Please note: This is not a problem for which a calculator is required. Your knowledge of the Bohr model of the atom and the relative energies of transitions is all that is needed.)Smallest energy emission

Answer» <html><body><p><strong>Answer:</strong></p><p>x² + 7x + 10 is the required <a href="https://interviewquestions.tuteehub.com/tag/polynomial-1158688" style="font-weight:bold;" target="_blank" title="Click to know more about POLYNOMIAL">POLYNOMIAL</a>.</p><p></p><p>Explanation :</p><p></p><p>According to the Question</p><p></p><p>It is given that α and β are the zeroes of a polynomial .</p><p></p><p>Sum of zeros (α+β) = -7</p><p></p><p>Product of Zeros (αβ) = 10</p><p></p><p>we <a href="https://interviewquestions.tuteehub.com/tag/need-25476" style="font-weight:bold;" target="_blank" title="Click to know more about NEED">NEED</a> to <a href="https://interviewquestions.tuteehub.com/tag/calculate-412157" style="font-weight:bold;" target="_blank" title="Click to know more about CALCULATE">CALCULATE</a> the polynomial.</p><p></p><p>As we <a href="https://interviewquestions.tuteehub.com/tag/know-534065" style="font-weight:bold;" target="_blank" title="Click to know more about KNOW">KNOW</a> that if the sum of zeros and product of zeros are given we can easily calculate the polynomial .</p><p></p><p>Let the Polynomial be P(x)</p><p></p><p>• P(x) = x²-(sum of zeros)x + (product of </p><p></p></body></html>
Discussion
256.

What is the energy of a photon with a wavelength of 260 nm.

Answer» <html><body><p><strong>Answer:</strong></p><p>460.458KJ/<a href="https://interviewquestions.tuteehub.com/tag/mol-1100196" style="font-weight:bold;" target="_blank" title="Click to know more about MOL">MOL</a></p><p><strong>Explanation:</strong></p><p>The energy of a photon = hv=hc/ f</p><p></p><p>given wavelength = 260nm</p><p></p><p>changing nm to m becomes <a href="https://interviewquestions.tuteehub.com/tag/260-298496" style="font-weight:bold;" target="_blank" title="Click to know more about 260">260</a> x 10^-9m</p><p></p><p>remembering that frequency = speed of light(<a href="https://interviewquestions.tuteehub.com/tag/c-7168" style="font-weight:bold;" target="_blank" title="Click to know more about C">C</a>)/ f wavelength</p><p></p><p>= 3 x10^8 / 260 x10^-9 = 1.15 x 10^15 s-1</p><p></p><p>frequency (<a href="https://interviewquestions.tuteehub.com/tag/v-722631" style="font-weight:bold;" target="_blank" title="Click to know more about V">V</a>) = 1.15 x 10^15 s-1</p><p></p><p>Energy = hv</p><p></p><p>where h is planks <a href="https://interviewquestions.tuteehub.com/tag/constant-930172" style="font-weight:bold;" target="_blank" title="Click to know more about CONSTANT">CONSTANT</a> = 6.626 X 10^-34 J-s</p><p></p><p>v is frequency = 1.1538 x 10^15s-1</p><p></p><p>E= 6.626X 10^-34 J-s X 1.15 x 10^15s-1</p><p></p><p>=7.645X 10^-19 joules</p><p></p><p>But I mole = 6.023 X10^23</p><p></p><p>therefore Energy = 7.645X 10^-19 x 6.023</p><p></p><p>X 10^23 =460,458.35Joules / mole</p><p></p><p>460,458.35Joules / mole To kilojoules/ mol = 460,458.35Joules / mole/1000= 460.458KJ/mol</p></body></html>
Discussion
257.

Calculate the ratio for the fundamental frequencies of HI and DI.

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><em><a href="https://interviewquestions.tuteehub.com/tag/nahi-2190567" style="font-weight:bold;" target="_blank" title="Click to know more about NAHI">NAHI</a> <a href="https://interviewquestions.tuteehub.com/tag/aata-2391523" style="font-weight:bold;" target="_blank" title="Click to know more about AATA">AATA</a> answer <a href="https://interviewquestions.tuteehub.com/tag/mujhe-2847742" style="font-weight:bold;" target="_blank" title="Click to know more about MUJHE">MUJHE</a>... <a href="https://interviewquestions.tuteehub.com/tag/xd-1463397" style="font-weight:bold;" target="_blank" title="Click to know more about XD">XD</a></em></p></body></html>
Discussion
258.

Write the functional groupof following1) Carboxyllic acid​

Answer» <html><body><p><strong>Answer:</strong></p><p><em>A carboxylic acid is an organic compound that has a <a href="https://interviewquestions.tuteehub.com/tag/carboxyl-909430" style="font-weight:bold;" target="_blank" title="Click to know more about CARBOXYL">CARBOXYL</a> group. The carboxyl group is a <a href="https://interviewquestions.tuteehub.com/tag/functional-466801" style="font-weight:bold;" target="_blank" title="Click to know more about FUNCTIONAL">FUNCTIONAL</a> group that contains a <a href="https://interviewquestions.tuteehub.com/tag/carbon-16249" style="font-weight:bold;" target="_blank" title="Click to know more about CARBON">CARBON</a>–oxygen double bond and an OH group also attached to the same carbon atom, <u>but it has characteristic <a href="https://interviewquestions.tuteehub.com/tag/properties-11511" style="font-weight:bold;" target="_blank" title="Click to know more about PROPERTIES">PROPERTIES</a> of its own.</u></em></p><p></p></body></html>
Discussion
259.

23 Barium chloride can be made by reacting solid barium carbonate with dilutehydrochloric acid in the following reaction.Bacots) + 2HCitaq) + Bad (aq) + CO.(g) + HOUD(a) (0) Write the ionic equation for the reaction of solid barium carbonate withhydrogen ions from the hydrochloric acid. State symbols are not required,MAVI(ii) State two observations you would make while the reaction is taking place. Nochange of colour occurs.माणObservation 1Observation 2

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>utxtux6tdrd7d7tdt7d7dutxtxurx6rz6rz6r</p></body></html>
Discussion
260.

In the synthesis of ammonia, 56.0 g nitrogen was reacted with excess hydrogen,N2(g) + 3H2(g) - 2NH3(g)The mass of ammonia produced was 6.00 g.SIWhat is the percentage yield of ammonia?VERTICAL HORIZOA) 8.82B) 5.66C) 10.7D) 9.10

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>good night guys so choose its <a href="https://interviewquestions.tuteehub.com/tag/real-1178490" style="font-weight:bold;" target="_blank" title="Click to know more about REAL">REAL</a> </p><p><strong>Explanation:</strong></p><p>who born on <a href="https://interviewquestions.tuteehub.com/tag/september-640024" style="font-weight:bold;" target="_blank" title="Click to know more about SEPTEMBER">SEPTEMBER</a> October and <a href="https://interviewquestions.tuteehub.com/tag/november-581831" style="font-weight:bold;" target="_blank" title="Click to know more about NOVEMBER">NOVEMBER</a> </p></body></html>
Discussion
261.

Neon have more ionisation energy than lithium !Why?​

Answer» <html><body><p>The major difference is the <a href="https://interviewquestions.tuteehub.com/tag/increasing-1040633" style="font-weight:bold;" target="_blank" title="Click to know more about INCREASING">INCREASING</a> number of protons in the nucleus as you go from lithium to neon. That causes greater attraction between the nucleus and the electrons and so <a href="https://interviewquestions.tuteehub.com/tag/increases-1040626" style="font-weight:bold;" target="_blank" title="Click to know more about INCREASES">INCREASES</a> the <a href="https://interviewquestions.tuteehub.com/tag/ionization-519228" style="font-weight:bold;" target="_blank" title="Click to know more about IONIZATION">IONIZATION</a> <a href="https://interviewquestions.tuteehub.com/tag/energies-971455" style="font-weight:bold;" target="_blank" title="Click to know more about ENERGIES">ENERGIES</a>. In fact the increasing nuclear charge also drags the outer electrons in <a href="https://interviewquestions.tuteehub.com/tag/closer-7270227" style="font-weight:bold;" target="_blank" title="Click to know more about CLOSER">CLOSER</a> to the nucleus.</p></body></html>
Discussion
262.

Why bioling point of ketones is greater than that of aldehydes?​

Answer» <html><body><p><strong>Answer:</strong></p><p><strong><u>Aldehydes and ketones have a much higher boiling point than the alkanes. This is attributed to the dipole moment of the carbonyl <a href="https://interviewquestions.tuteehub.com/tag/group-1013370" style="font-weight:bold;" target="_blank" title="Click to know more about GROUP">GROUP</a>. ... The reason for this is that the non-<a href="https://interviewquestions.tuteehub.com/tag/polar-1157435" style="font-weight:bold;" target="_blank" title="Click to know more about POLAR">POLAR</a> <a href="https://interviewquestions.tuteehub.com/tag/region-1182095" style="font-weight:bold;" target="_blank" title="Click to know more about REGION">REGION</a> of the carbon <a href="https://interviewquestions.tuteehub.com/tag/chain-913601" style="font-weight:bold;" target="_blank" title="Click to know more about CHAIN">CHAIN</a> is getting larger as the polar region (C=O) is staying the same.</u></strong></p><p></p><p><strong><u>Keep</u></strong><strong><u> <a href="https://interviewquestions.tuteehub.com/tag/learning-15934" style="font-weight:bold;" target="_blank" title="Click to know more about LEARNING">LEARNING</a></u></strong></p><p></p></body></html>
Discussion
263.

Enzyme kinetics is based on(A) Law of equilibrium (B) Gibbs free energy (C) Law of mass action (D) Order of reaction​

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/c-7168" style="font-weight:bold;" target="_blank" title="Click to know more about C">C</a>) <a href="https://interviewquestions.tuteehub.com/tag/law-184" style="font-weight:bold;" target="_blank" title="Click to know more about LAW">LAW</a> of <a href="https://interviewquestions.tuteehub.com/tag/mass-1088425" style="font-weight:bold;" target="_blank" title="Click to know more about MASS">MASS</a> <a href="https://interviewquestions.tuteehub.com/tag/action-2544" style="font-weight:bold;" target="_blank" title="Click to know more about ACTION">ACTION</a>. is answer</p></body></html>
Discussion
264.

one mole of HI is introduced into a vessel held at constant temperature . when equilibrium is reached it is found that 0.1mole of i2 have been formed . find kc​

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>One <a href="https://interviewquestions.tuteehub.com/tag/mole-1100299" style="font-weight:bold;" target="_blank" title="Click to know more about MOLE">MOLE</a> of H </p><p>2</p><p> </p><p> , 2 moles of I </p><p>2</p><p> </p><p> and 3 moles of <a href="https://interviewquestions.tuteehub.com/tag/hi-479908" style="font-weight:bold;" target="_blank" title="Click to know more about HI">HI</a> are injected in a one litre flask.</p><p>x moles of H </p><p>2</p><p> </p><p> will react with x moles of I </p><p>2</p><p> </p><p> to form <a href="https://interviewquestions.tuteehub.com/tag/2x-301182" style="font-weight:bold;" target="_blank" title="Click to know more about 2X">2X</a> moles of</p><p>HI. Total number of moles of HI present at equilibrium will be 3+2x</p><p>1−x moles of H </p><p>2</p><p> </p><p> and 2−x moles</p><p>of I </p><p>2</p><p> </p><p> will remain at equilibrium.</p><p> </p><p>The equilibrium constant <a href="https://interviewquestions.tuteehub.com/tag/k-527196" style="font-weight:bold;" target="_blank" title="Click to know more about K">K</a> </p><p>c</p><p> </p><p> = </p><p>[H </p><p>2</p><p> </p><p> ][I </p><p>2</p><p> </p><p> ]</p><p>[HI] </p><p>2</p><p> </p><p> </p><p> </p><p>45.9= </p><p>[ </p><p> 1 L </p><p> 1-x mol </p><p> </p><p> ][ </p><p> 1 L </p><p> 1-x mol </p><p> </p><p> ]</p><p>[ </p><p> 1 L </p><p> 3+2x mol </p><p> </p><p> ] </p><p>2</p><p> </p><p> </p><p> </p><p>45.9= </p><p>[1−x][2−x]</p><p>[3+2x] </p><p>2</p><p> </p><p> </p><p> </p><p>45.9(1[2−x]−x[2−x])=3[3+2x]+2x[3+2x]</p><p>45.9(2−x−2x+x </p><p>2</p><p> )=9+6x+6x+4x </p><p>2</p><p> </p><p>91.8−137.7x+45.9x </p><p>2</p><p> =9+12x+4x </p><p>2</p><p> </p><p>41.9x </p><p>2</p><p> −149.7x+82.8=0</p><p></p><p>This is quadratic equation with solution</p><p>x= </p><p>2a</p><p>−b± </p><p>b </p><p>2</p><p> −4ac</p><p> </p><p> </p><p> </p><p> </p><p>x= </p><p>2(41.9)</p><p>−(−149.7)± </p><p>(−149.7) </p><p>2</p><p> −4(41.9)(82.8)</p><p> </p><p> </p><p> </p><p> </p><p>x= </p><p>83.8</p><p>149.7±92.4</p><p> </p><p> </p><p>x= </p><p>83.8</p><p>149.7±92.4</p><p> </p><p> </p><p>x=2.88 or x=0.684</p><p></p><p>The value x=2.88 is discarded as it will lead to negative</p><p>value of number of moles.</p><p>Hence, x=0.684</p><p></p><p>The equilibrium concentrations are</p><p>[HI]=3+2x=3+2(0.684)=4.368 mol/L</p><p>[H </p><p>2</p><p> </p><p> ]=1−x=1−0.684=0.316 mol/L</p><p>[I </p><p>2</p><p> </p><p> ]=2−x=2−0.684=1.316 mol/L</p><p><strong>Explanation:</strong></p><p>i think this is correct answer</p></body></html>
Discussion
265.

mention the exceptional conditions when scientific name of an organisms is not italicised when printed.​

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>Don't <a href="https://interviewquestions.tuteehub.com/tag/know-534065" style="font-weight:bold;" target="_blank" title="Click to know more about KNOW">KNOW</a> <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/gogle-2676210" style="font-weight:bold;" target="_blank" title="Click to know more about GOGLE">GOGLE</a> if you <a href="https://interviewquestions.tuteehub.com/tag/want-1448756" style="font-weight:bold;" target="_blank" title="Click to know more about WANT">WANT</a></p></body></html>
Discussion
266.

Does balanced chemical equation always obeys law of conservation of energy and law of thermal equilibrium?justify your answer.please don't scam.​

Answer» <html><body><p><strong>Answer:</strong></p><p>The Law of conservation of mass states that matter can be changed from <a href="https://interviewquestions.tuteehub.com/tag/one-585732" style="font-weight:bold;" target="_blank" title="Click to know more about ONE">ONE</a> form into another, mixtures can be separated or made, and pure substances can be decomposed, but the total amount of mass remains constant. We can <a href="https://interviewquestions.tuteehub.com/tag/state-21805" style="font-weight:bold;" target="_blank" title="Click to know more about STATE">STATE</a> this <a href="https://interviewquestions.tuteehub.com/tag/important-1038039" style="font-weight:bold;" target="_blank" title="Click to know more about IMPORTANT">IMPORTANT</a> law in another way. The total mass of the universe is constant within measurable <a href="https://interviewquestions.tuteehub.com/tag/limits-16465" style="font-weight:bold;" target="_blank" title="Click to know more about LIMITS">LIMITS</a>; whenever matter undergoes a change, the total mass of the products of the change is, within measurable limits, the same as the total mass of the reactants. According to law of conservation of mass, the mass of products in a reaction must be equal to mass of reactants so the <a href="https://interviewquestions.tuteehub.com/tag/balancing-891824" style="font-weight:bold;" target="_blank" title="Click to know more about BALANCING">BALANCING</a> of equations is done to obey this law.</p></body></html>
Discussion
267.

दिए गए अकार्बनिक पदार्थ में दो अम्लीय मूलक एवं दो क्षारीय मूलक​

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/write-746491" style="font-weight:bold;" target="_blank" title="Click to know more about WRITE">WRITE</a> your <a href="https://interviewquestions.tuteehub.com/tag/full-1001178" style="font-weight:bold;" target="_blank" title="Click to know more about FULL">FULL</a> <a href="https://interviewquestions.tuteehub.com/tag/questions-25515" style="font-weight:bold;" target="_blank" title="Click to know more about QUESTIONS">QUESTIONS</a> so you can <a href="https://interviewquestions.tuteehub.com/tag/get-11812" style="font-weight:bold;" target="_blank" title="Click to know more about GET">GET</a> the answer</p><p></p><p></p><p></p></body></html>
Discussion
268.

2. A is a soluble metallic oxide and B is a soluble non metallicoxide. Compare to PH of pure water what will be the PHof solution of A and solution of B ?​

Answer» <html><body><p><strong>Answer:</strong></p><p>pH of A <a href="https://interviewquestions.tuteehub.com/tag/would-3285927" style="font-weight:bold;" target="_blank" title="Click to know more about WOULD">WOULD</a> be more than 7 and upto 14 pH of <a href="https://interviewquestions.tuteehub.com/tag/b-387190" style="font-weight:bold;" target="_blank" title="Click to know more about B">B</a> would be less than 7 upto 1</p><p><strong>Explanation:</strong></p><p>Metallic <a href="https://interviewquestions.tuteehub.com/tag/oxides-1144499" style="font-weight:bold;" target="_blank" title="Click to know more about OXIDES">OXIDES</a> are Basic in <a href="https://interviewquestions.tuteehub.com/tag/nature-1112013" style="font-weight:bold;" target="_blank" title="Click to know more about NATURE">NATURE</a> and Non metallic oxides are Acidic in nature.</p></body></html>
Discussion
269.

What is Pythagoras theorem ?[tex] \\ \\ [tex]​

Answer» <html><body><p><strong>Answer:</strong></p><p>The answer is</p><p><strong>Explanation:</strong></p><p>Pythagoras' theorem states that for all right-angled triangles, 'The square on the <a href="https://interviewquestions.tuteehub.com/tag/hypotenuse-1034695" style="font-weight:bold;" target="_blank" title="Click to know more about HYPOTENUSE">HYPOTENUSE</a> is <a href="https://interviewquestions.tuteehub.com/tag/equal-446400" style="font-weight:bold;" target="_blank" title="Click to know more about EQUAL">EQUAL</a> to the sum of the squares on the other <a href="https://interviewquestions.tuteehub.com/tag/two-714195" style="font-weight:bold;" target="_blank" title="Click to know more about TWO">TWO</a> sides'. </p><p></p><p><strong>I </strong><strong><a href="https://interviewquestions.tuteehub.com/tag/hope-25911" style="font-weight:bold;" target="_blank" title="Click to know more about HOPE">HOPE</a></strong><strong> it's</strong><strong> helpful</strong><strong> for</strong><strong> you</strong><strong>.</strong></p></body></html>
Discussion
270.

I want to get help for my exams

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>just <a href="https://interviewquestions.tuteehub.com/tag/learn-536886" style="font-weight:bold;" target="_blank" title="Click to know more about LEARN">LEARN</a> after <a href="https://interviewquestions.tuteehub.com/tag/25-296426" style="font-weight:bold;" target="_blank" title="Click to know more about 25">25</a> <a href="https://interviewquestions.tuteehub.com/tag/minutes-1098164" style="font-weight:bold;" target="_blank" title="Click to know more about MINUTES">MINUTES</a> again and again</p></body></html>
Discussion
271.

Which of the following metal show self rediation in metallurgy process​

Answer» <html><body><p>Cu and <a href="https://interviewquestions.tuteehub.com/tag/hg-485049" style="font-weight:bold;" target="_blank" title="Click to know more about HG">HG</a> <a href="https://interviewquestions.tuteehub.com/tag/shows-1206590" style="font-weight:bold;" target="_blank" title="Click to know more about SHOWS">SHOWS</a> self reduction in Metallurgy process</p><p></p><p><strong>Explanation:</strong></p><p>Copper, lead and <a href="https://interviewquestions.tuteehub.com/tag/mercury-558950" style="font-weight:bold;" target="_blank" title="Click to know more about MERCURY">MERCURY</a> are all less electropositive metals and so they can be extracted by self-reduction from their respective sulphide ores. -In the extraction of copper from its sulphide ore, the ore is <a href="https://interviewquestions.tuteehub.com/tag/subjected-7284542" style="font-weight:bold;" target="_blank" title="Click to know more about SUBJECTED">SUBJECTED</a> to partial roasting in air to form its oxide.</p></body></html>
Discussion
272.

Ferrous sulphate is heated in a day test tubea) Write a balanced chemical equation for the given reaction b) Name the type of the reaction c) list any two observation for the given reaction.​

Answer» <html><body><p><strong>Answer:</strong></p><h3>On heating, ferrous <a href="https://interviewquestions.tuteehub.com/tag/sulphate-1234306" style="font-weight:bold;" target="_blank" title="Click to know more about SULPHATE">SULPHATE</a> crystals lose water and anhydrous ferrous sulphate (FeSO4) is formed. So their colour changes from <a href="https://interviewquestions.tuteehub.com/tag/light-1073401" style="font-weight:bold;" target="_blank" title="Click to know more about LIGHT">LIGHT</a> green to white. On further heating, anhydrous ferrous sulphate decomposes to form ferric oxide (Fe2O3), sulphur dioxide (SO2) and sulphur trioxide (<a href="https://interviewquestions.tuteehub.com/tag/so3-631799" style="font-weight:bold;" target="_blank" title="Click to know more about SO3">SO3</a>).</h3></body></html>
Discussion
273.

Determine the major axis of symmetry for the following 2-dimensional shape​

Answer» <html><body><p><strong>Answer:</strong></p><h3>The Shape Is Not <a href="https://interviewquestions.tuteehub.com/tag/given-473447" style="font-weight:bold;" target="_blank" title="Click to know more about GIVEN">GIVEN</a> <a href="https://interviewquestions.tuteehub.com/tag/dear-431391" style="font-weight:bold;" target="_blank" title="Click to know more about DEAR">DEAR</a> :(</h3><p><strong>Explanation:</strong></p><p>Green <a href="https://interviewquestions.tuteehub.com/tag/revolution-623158" style="font-weight:bold;" target="_blank" title="Click to know more about REVOLUTION">REVOLUTION</a>, great <a href="https://interviewquestions.tuteehub.com/tag/increase-1040383" style="font-weight:bold;" target="_blank" title="Click to know more about INCREASE">INCREASE</a> in production of food grains (especially wheat and rice) that resulted in large <a href="https://interviewquestions.tuteehub.com/tag/part-596478" style="font-weight:bold;" target="_blank" title="Click to know more about PART">PART</a> from the introduction into developing countries of new, high-yielding varieties, beginning in the mid-20th century. Its early dramatic successes were in Mexico and the Indian subcontinent.</p></body></html>
Discussion
274.

With which metal the rise of temperature is maximum during the reactions​

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>Reaction temperatures are in the range 10–35 °C. The polymer is <a href="https://interviewquestions.tuteehub.com/tag/recovered-2246317" style="font-weight:bold;" target="_blank" title="Click to know more about RECOVERED">RECOVERED</a> ... In the beginning, the <a href="https://interviewquestions.tuteehub.com/tag/yield-1465134" style="font-weight:bold;" target="_blank" title="Click to know more about YIELD">YIELD</a> of bio-oil will quickly increase to a <a href="https://interviewquestions.tuteehub.com/tag/maximum-556915" style="font-weight:bold;" target="_blank" title="Click to know more about MAXIMUM">MAXIMUM</a> with the rise in reaction <a href="https://interviewquestions.tuteehub.com/tag/temperature-11887" style="font-weight:bold;" target="_blank" title="Click to know more about TEMPERATURE">TEMPERATURE</a>.</p></body></html>
Discussion
275.

Last question , Plz solve it​

Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/2al-1836739" style="font-weight:bold;" target="_blank" title="Click to know more about 2AL">2AL</a>+ 3H2O=Al2O3 + <a href="https://interviewquestions.tuteehub.com/tag/3h2-310744" style="font-weight:bold;" target="_blank" title="Click to know more about 3H2">3H2</a> .</p><p></p><p> Hope it will <a href="https://interviewquestions.tuteehub.com/tag/help-1018089" style="font-weight:bold;" target="_blank" title="Click to know more about HELP">HELP</a> you .</p><p></p><p> Your <a href="https://interviewquestions.tuteehub.com/tag/intro-2746742" style="font-weight:bold;" target="_blank" title="Click to know more about INTRO">INTRO</a> friend ?</p><p></p><p> Can we be friends ?</p><p></p><p> Plz reply your intro .</p><p></p><p> Mark 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> answer . </p><p></p><p>Thank you . </p></body></html>
Discussion
276.

Why is plastic cup used in experiment for heat of displacementIm a girl please help me else i will fail

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>because it is <a href="https://interviewquestions.tuteehub.com/tag/transparent-11320" style="font-weight:bold;" target="_blank" title="Click to know more about TRANSPARENT">TRANSPARENT</a> to <a href="https://interviewquestions.tuteehub.com/tag/see-630247" style="font-weight:bold;" target="_blank" title="Click to know more about SEE">SEE</a> the <a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> </p></body></html>
Discussion
277.

State for the displacement whether the following situation is true or false. (a) It cannot be zero. (b) Its value is greater than the distance covered by the object.​STATE TRUE OR FALSE

Answer» <html><body><p>Answer: Pls <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 brainliest friend pls </p><p></p><p><a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a>:</p><p>A) false. When displacement reaches to the position initial position, it can be zero.</p><p></p><p>B) false. Generally, the shortest <a href="https://interviewquestions.tuteehub.com/tag/distance-116" style="font-weight:bold;" target="_blank" title="Click to know more about DISTANCE">DISTANCE</a> covered is called the displacement and it’s value will always be <a href="https://interviewquestions.tuteehub.com/tag/shorter-642827" style="font-weight:bold;" target="_blank" title="Click to know more about SHORTER">SHORTER</a> than the distance.</p><p></p><p></p><p></p><p>Hope it’s useful friend…</p><p>Good luck and have a great day buddy…</p><p>Keep rocking !!</p></body></html>
Discussion
278.

With the help of a diagram explain the evaporation process and particle model ofmatter PLEASE HELP​

Answer» <html><body><p></p><p><img align="absmiddle" alt="\: •\huge\bigstar{\underline{{\red{A}{\pink{n}{\color{blue}{s}{\color{gold}{w}{\color{aqua}{e}{\color{lime}{r}}}}}}}}}\huge\bigstar•" class="latex-formula" id="TexFormula1" src="https://tex.z-dn.net/?f=%20%5C%3A%20%E2%80%A2%5Chuge%5Cbigstar%7B%5Cunderline%7B%7B%5Cred%7BA%7D%7B%5Cpink%7Bn%7D%7B%5Ccolor%7Bblue%7D%7Bs%7D%7B%5Ccolor%7Bgold%7D%7Bw%7D%7B%5Ccolor%7Baqua%7D%7Be%7D%7B%5Ccolor%7Blime%7D%7Br%7D%7D%7D%7D%7D%7D%7D%7D%7D%5Chuge%5Cbigstar%E2%80%A2" title="\: •\huge\bigstar{\underline{{\red{A}{\pink{n}{\color{blue}{s}{\color{gold}{w}{\color{aqua}{e}{\color{lime}{r}}}}}}}}}\huge\bigstar•"/></p><p>1) Evaporation happens when a liquid turns into a gas. It can be easily visualized when rain puddles “<a href="https://interviewquestions.tuteehub.com/tag/disappear-440374" style="font-weight:bold;" target="_blank" title="Click to know more about DISAPPEAR">DISAPPEAR</a>” on a hot day or when wet clothes dry in the sun. In these examples, the liquid water is not actually vanishing it is evaporating into a gas, called water vapor. Evaporation happens on a global scale.They transfer energy to each other as the molecules of the liquid <a href="https://interviewquestions.tuteehub.com/tag/collide-922037" style="font-weight:bold;" target="_blank" title="Click to know more about COLLIDE">COLLIDE</a>, depending on how they collide with each other.</p><p></p><p>2) The particle <a href="https://interviewquestions.tuteehub.com/tag/theory-706806" style="font-weight:bold;" target="_blank" title="Click to know more about THEORY">THEORY</a> of matter is: A scientific model of the structure of matter; according to the particle theory, all matter is made up of extremely tiny particles, and each pure substance has its own kind of particle, different from the particles from any other pure substance.The particle theory of matter is a model that describes the arrangement and movement of particles in a substance. The model is used to <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 physical properties of solids, <a href="https://interviewquestions.tuteehub.com/tag/liquids-1075502" style="font-weight:bold;" target="_blank" title="Click to know more about LIQUIDS">LIQUIDS</a> and gases.</p><p></p><p></p><h2><strong>hop</strong><strong>e</strong><strong> it</strong><strong> was</strong><strong> helpful</strong><strong> to</strong><strong> you</strong></h2></body></html>
Discussion
279.

FAST ANSWER BRAINLIEST MARKING!!!chemistry question​

Answer» <html><body><p><strong>Answer:</strong></p><ol><li><strong><em>Water is known to exist in three different states, as a solid, liquid and gas. A cloud is comprised of ice crystals as solid or tiny water droplets as liquid. Water existing as a gas is called water vapor. ... Clouds, snow and rain are different forms of water.</em></strong></li><li><strong><em>Water is a compound. It <a href="https://interviewquestions.tuteehub.com/tag/contains-11473" style="font-weight:bold;" target="_blank" title="Click to know more about CONTAINS">CONTAINS</a> more than one element: hydrogen and oxygen <a href="https://interviewquestions.tuteehub.com/tag/atoms-887421" style="font-weight:bold;" target="_blank" title="Click to know more about ATOMS">ATOMS</a> are joined together; as <a href="https://interviewquestions.tuteehub.com/tag/illustrated-7689179" style="font-weight:bold;" target="_blank" title="Click to know more about ILLUSTRATED">ILLUSTRATED</a> in the video clip Elements and Compounds, above. An <a href="https://interviewquestions.tuteehub.com/tag/important-1038039" style="font-weight:bold;" target="_blank" title="Click to know more about IMPORTANT">IMPORTANT</a> feature of compounds is that they are very different from the elements from which they are made</em></strong></li><li><strong><em>The temperature in Mumbai and Chennai do not fall as low as in Delhi because these cities are situated in the coastal areas. <a href="https://interviewquestions.tuteehub.com/tag/due-433472" style="font-weight:bold;" target="_blank" title="Click to know more about DUE">DUE</a> to high specific heat capacity, the presence of a large amount of water is able to modify the climate of the nearby land areas making them warmer in winter and cooler in summer</em></strong></li></ol><p><strong>Explanation:</strong></p><p>hope it helps you</p></body></html>
Discussion
280.

Equivalent Weight = Molar Mass/ValencyNormality = (Weight of Solute)/(Equivalent Weight of Solute*Vol. of Soln in L)Prove that N = xMWhere x is the Valency factor (Valency)M is MolarityN is Normality PLease give the answer fastAnd Correct answers only pls.Grade:- Class 11th

Answer» <html><body><p><strong>Answer:</strong></p><p>We have studied about of the measure of concentration like Molarity, Mole Fraction,Molality.We are going to see another measure of concentration <a href="https://interviewquestions.tuteehub.com/tag/called-907796" style="font-weight:bold;" target="_blank" title="Click to know more about CALLED">CALLED</a> Normality. Normality is <a href="https://interviewquestions.tuteehub.com/tag/defined-947013" style="font-weight:bold;" target="_blank" title="Click to know more about DEFINED">DEFINED</a> as the number of <a href="https://interviewquestions.tuteehub.com/tag/gram-1010695" style="font-weight:bold;" target="_blank" title="Click to know more about GRAM">GRAM</a> <a href="https://interviewquestions.tuteehub.com/tag/equivalent-446407" style="font-weight:bold;" target="_blank" title="Click to know more about EQUIVALENT">EQUIVALENT</a> present in per litre solution. It is used for acid or base solution</p><p>Normality Formula</p><p>where <a href="https://interviewquestions.tuteehub.com/tag/n-568463" style="font-weight:bold;" target="_blank" title="Click to know more about N">N</a> = number of H+ in Acid , OH- in base and for salt,charge present in ionic forms</p><p>Equivalent Weight is new thing in the formula.</p><p><strong>Explanation:</strong></p><p><strong><em><u>PLEASE MARK ME AS THE BRAINLIEST</u></em></strong><strong><em><u>!</u></em></strong><strong><em><u>!</u></em></strong><strong><em><u>!</u></em></strong></p></body></html>
Discussion
281.

What is the definition of water of crystallization?​

Answer» <html><body><p><strong>Answer:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/water-1449333" style="font-weight:bold;" target="_blank" title="Click to know more about WATER">WATER</a> molecules forming an essential <a href="https://interviewquestions.tuteehub.com/tag/part-596478" style="font-weight:bold;" target="_blank" title="Click to know more about PART">PART</a> of the <a href="https://interviewquestions.tuteehub.com/tag/crystal-940005" style="font-weight:bold;" target="_blank" title="Click to know more about CRYSTAL">CRYSTAL</a> structure of some compounds.</p><p></p><p></p><h2></h2></body></html>
Discussion
282.

Calculate total number of electrons present i in 6.4 g of Sulphur dioxide?​

Answer» <html><body><p>Weight of S =6.4 g</p><p>Atomic weight of S =32 g/g atom</p><p>Number of <a href="https://interviewquestions.tuteehub.com/tag/gram-1010695" style="font-weight:bold;" target="_blank" title="Click to know more about GRAM">GRAM</a> <a href="https://interviewquestions.tuteehub.com/tag/atoms-887421" style="font-weight:bold;" target="_blank" title="Click to know more about ATOMS">ATOMS</a> of S = </p><p>32 g/gatom</p><p>6.4 g</p><p></p><p> =0.2 gram atoms.</p><p>The <a href="https://interviewquestions.tuteehub.com/tag/avogadro-386447" style="font-weight:bold;" target="_blank" title="Click to know more about AVOGADRO">AVOGADRO</a>'s number is 6.023×10 ²³atoms/ g atom</p><p>The number of atoms of S =0.2 gram atoms ×6.023×10²³atoms/ g atom</p><p>=1.2×10²³ atoms.</p><p></p><p></p><p>I hope you <a href="https://interviewquestions.tuteehub.com/tag/got-23540" style="font-weight:bold;" target="_blank" title="Click to know more about GOT">GOT</a> your <a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>.</p><p> ◉‿◉</p><p></p></body></html>
Discussion
283.

Two containers I and II have equal amount of water. In each container 2 grams of non-volatile solute A and B respectively is added. Which of the following is expected to be same for both solutions?

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>The pure <a href="https://interviewquestions.tuteehub.com/tag/solvent-1217160" style="font-weight:bold;" target="_blank" title="Click to know more about SOLVENT">SOLVENT</a> solution will try to maintain higher vapour pressure in the sealed container and in return the solvent vapour molecules will condense in the solution of non-<a href="https://interviewquestions.tuteehub.com/tag/volatilebrbr-3264686" style="font-weight:bold;" target="_blank" title="Click to know more about VOLATILE">VOLATILE</a> solute as it <a href="https://interviewquestions.tuteehub.com/tag/maintains-1084110" style="font-weight:bold;" target="_blank" title="Click to know more about MAINTAINS">MAINTAINS</a> an equilibrium with lower vapour pressure. (Lowering of vapour pressure is observed when a non volatile solute is mixed in a volatile solvent)  This will eventually lead to <a href="https://interviewquestions.tuteehub.com/tag/increase-1040383" style="font-weight:bold;" target="_blank" title="Click to know more about INCREASE">INCREASE</a> in the volume of solution and decrease in the volume of solvent.Read more on Sarthaks.com - https://www.sarthaks.com/580434/open-beakers-containing-solvent-other-containing-mixture-that-solvent-volatile-solute</p><p></p></body></html>
Discussion
284.

In Lothar Meyer plot of atomic volume versus atomic mass, the peaks are occupied by(a) alkali metals (b) alkaline earth metals(c) halogens(d) Noble gasesWrong Answers will be Reported.​

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/alkali-853286" style="font-weight:bold;" target="_blank" title="Click to know more about ALKALI">ALKALI</a> <a href="https://interviewquestions.tuteehub.com/tag/metals-1094891" style="font-weight:bold;" target="_blank" title="Click to know more about METALS">METALS</a> is 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..</p><p></p></body></html>
Discussion
285.

What is the iupac name of Na₂ZnCl₄ ​

Answer» <html><body><p><strong>Explanation:</strong></p><p>The oxidation number of Ni in both the compounds is- x-4=-<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a> →x=2</p><p><a href="https://interviewquestions.tuteehub.com/tag/k-527196" style="font-weight:bold;" target="_blank" title="Click to know more about K">K</a> </p><p>2</p><p> </p><p> [Ni(<a href="https://interviewquestions.tuteehub.com/tag/cn-907325" style="font-weight:bold;" target="_blank" title="Click to know more about CN">CN</a>) </p><p>4</p><p> </p><p> ]- potassium tetracyanonickelate(<a href="https://interviewquestions.tuteehub.com/tag/ii-1036832" style="font-weight:bold;" target="_blank" title="Click to know more about II">II</a>)</p><p>K </p><p>2</p><p> </p><p> [Ni(Cl) </p><p>4</p><p> </p><p> ]- potassiumtetrachloronickelate(II)</p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p><h2><strong>answer by ❤️ ☞ Meera</strong></h2></body></html>
Discussion
286.

Explain an activity to show that carbondioxide gas is evolvedwhen acids reacts metalcarbonates and metal hydrogencarbonates​

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/sorry-648642" style="font-weight:bold;" target="_blank" title="Click to know more about SORRY">SORRY</a> i did't <a href="https://interviewquestions.tuteehub.com/tag/get-11812" style="font-weight:bold;" target="_blank" title="Click to know more about GET">GET</a> what are you <a href="https://interviewquestions.tuteehub.com/tag/takling-7628652" style="font-weight:bold;" target="_blank" title="Click to know more about TAKLING">TAKLING</a> in 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></p></body></html>
Discussion
287.

इतिहासाची भौतिक साधने कोणती त्यांचे नावे लिहा​

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>भौतिक साधने :- इतिहासाच्या लिखित साधनांनंतर आपण आता भौतिक साधनाची माहिती घेऊ. नाणी, प्रार्थना स्थळे, दैनंदिन वापरातील वस्तू, राजमुद्रा, अलंकार, संग्रहालय, पेहराव, आधुनिक स्थापत्य या सर्व साधनांचा समावेश भौतिक साधनांत होतो. या साधनांशिवाय स्तंभ, विहार, स्तूप, नगरे, कोरीव काम, लेणी यांचाही भौतिक साधनांमध्ये समावेश होतो.</p></body></html>
Discussion
288.

In the reaction represented by the equation CuO +H2 - Cu +H2Oa) Name the substance oxidized & the substance reducedb) Name the oxidizing agent & the reducing agent.​

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>copper oxide is <a href="https://interviewquestions.tuteehub.com/tag/reduced-1181337" style="font-weight:bold;" target="_blank" title="Click to know more about REDUCED">REDUCED</a> and hydrogen is oxidized</p><p>copper oxide is <a href="https://interviewquestions.tuteehub.com/tag/oxidising-2209005" style="font-weight:bold;" target="_blank" title="Click to know more about OXIDISING">OXIDISING</a> agent and hydrogen is <a href="https://interviewquestions.tuteehub.com/tag/reducing-2981618" style="font-weight:bold;" target="_blank" title="Click to know more about REDUCING">REDUCING</a> agent</p></body></html>
Discussion
289.

How many moles of carban are present in 60g of glucose?

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>hi</p><p><strong>Explanation:</strong></p><p>1 ,<a href="https://interviewquestions.tuteehub.com/tag/molecule-563028" style="font-weight:bold;" target="_blank" title="Click to know more about MOLECULE">MOLECULE</a> of glucose contains <a href="https://interviewquestions.tuteehub.com/tag/6-327005" style="font-weight:bold;" target="_blank" title="Click to know more about 6">6</a> atoms of <a href="https://interviewquestions.tuteehub.com/tag/c-7168" style="font-weight:bold;" target="_blank" title="Click to know more about C">C</a>, 12 atoms of H, and 6 atoms of O • 1 mole of glucose contains 6 moles of C atoms, 12 moles of H atoms, and 6 moles of O atoms. 10 moles of glucose contains 60 moles of C, <a href="https://interviewquestions.tuteehub.com/tag/120-270396" style="font-weight:bold;" target="_blank" title="Click to know more about 120">120</a> moles of H, and 60 moles of O atoms</p></body></html>
Discussion
290.

The conductivity of electrolytic solutiondepends on:(1 Point)(a) The nature of the electrolyte added(b) The nature of the solute added(c) The nature of the solvent(d) The nature of the solution3Which is more reactive towards SN1reaction(1 Point​

Answer» <html><body><p><strong>Answer:</strong></p><p><strong>option ( a )</strong></p><p>Nature of electrolyte: The <a href="https://interviewquestions.tuteehub.com/tag/conductance-928795" style="font-weight:bold;" target="_blank" title="Click to know more about CONDUCTANCE">CONDUCTANCE</a> of an electrolyte depends upon the <a href="https://interviewquestions.tuteehub.com/tag/number-582134" style="font-weight:bold;" target="_blank" title="Click to know more about NUMBER">NUMBER</a> of ions present in the solution. Therefore, the greater the number of ions in the solution the greater is the conductance. The number of ions produced by an electrolyte depends upon its nature.</p><p><strong>Explanation:</strong></p><p><strong>SN1 <a href="https://interviewquestions.tuteehub.com/tag/reaction-22747" style="font-weight:bold;" target="_blank" title="Click to know more about REACTION">REACTION</a></strong></p><p>SN1 reaction involves the formation of carbocation intermediate. More the stability of carbocation more is the reactivity of alkyl/aryl halides towards SN1 reaction. <a href="https://interviewquestions.tuteehub.com/tag/thus-2307358" style="font-weight:bold;" target="_blank" title="Click to know more about THUS">THUS</a>, C6H5C(CH3)(C6H5)<a href="https://interviewquestions.tuteehub.com/tag/br-390993" style="font-weight:bold;" target="_blank" title="Click to know more about BR">BR</a> is most reactive towards SN1 reaction.</p></body></html>
Discussion
291.

For which of the following hybridisation the bond angle is maximum1) sp2) sp3) sp4) dsp2​

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>sp has the <a href="https://interviewquestions.tuteehub.com/tag/maximum-556915" style="font-weight:bold;" target="_blank" title="Click to know more about MAXIMUM">MAXIMUM</a> bond angle</p><p><strong>Explanation:</strong></p><p>please <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 brainliest n <a href="https://interviewquestions.tuteehub.com/tag/thank-3107344" style="font-weight:bold;" target="_blank" title="Click to know more about THANK">THANK</a> me</p></body></html>
Discussion
292.

What is the state of hybridization of C in carboxyl group​

Answer» <html><body><h2><u><a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a></u> :-</h2><p></p><p>The hybridisation of carbon atom in carboxyl <a href="https://interviewquestions.tuteehub.com/tag/group-1013370" style="font-weight:bold;" target="_blank" title="Click to know more about GROUP">GROUP</a> is <a href="https://interviewquestions.tuteehub.com/tag/sp2-632006" style="font-weight:bold;" target="_blank" title="Click to know more about SP2">SP2</a> - hybridised.</p></body></html>
Discussion
293.

राइट द प्रिपरेशन ऑफ हेलो एडिंस बाय सब्सीट्यूशन रिएक्शन​

Answer» <html><body><p><strong>Answer:</strong></p><p>A substitution reaction (also known as single <a href="https://interviewquestions.tuteehub.com/tag/displacement-956081" style="font-weight:bold;" target="_blank" title="Click to know more about DISPLACEMENT">DISPLACEMENT</a> reaction or single substitution reaction) is a chemical reaction during which <a href="https://interviewquestions.tuteehub.com/tag/one-585732" style="font-weight:bold;" target="_blank" title="Click to know more about ONE">ONE</a> functional <a href="https://interviewquestions.tuteehub.com/tag/group-1013370" style="font-weight:bold;" target="_blank" title="Click to know more about GROUP">GROUP</a> in a chemical compound is replaced by another functional group. ... A good example of a substitution reaction is halogenation.</p></body></html>
Discussion
294.

CH2=C(CH3)-CH(CH3)-C≡CH IUPAC name?plz no fake ...​

Answer» <html><body><p>2,3 <a href="https://interviewquestions.tuteehub.com/tag/dimethyl-439813" style="font-weight:bold;" target="_blank" title="Click to know more about DIMETHYL">DIMETHYL</a> <a href="https://interviewquestions.tuteehub.com/tag/pent-2218990" style="font-weight:bold;" target="_blank" title="Click to know more about PENT">PENT</a> 1-ene-4-yne</p></body></html>
Discussion
295.

Which of the following reactions tends to occur spontaneously?A. Fe2O3 → 2Fe + 1/2O2B. MgCl2+ Zn → ZnCl2 + Mg C. 2AgNO3+ H2 → 2HNO3 + 2AgD. 2Al(OH)3 + 3Cu → 3Cu(OH) + 2Al​

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><strong><em>c.</em></strong></p><p><strong>Explanation:</strong></p><p><strong><em>2AgNO3+ <a href="https://interviewquestions.tuteehub.com/tag/h2-1014292" style="font-weight:bold;" target="_blank" title="Click to know more about H2">H2</a> → <a href="https://interviewquestions.tuteehub.com/tag/2hno3-8503863" style="font-weight:bold;" target="_blank" title="Click to know more about 2HNO3">2HNO3</a> + <a href="https://interviewquestions.tuteehub.com/tag/2ag-300272" style="font-weight:bold;" target="_blank" title="Click to know more about 2AG">2AG</a></em></strong></p></body></html>
Discussion
296.

Calculate the molarity of a 10% aqueous solution H2SO4 by mass if the density of the acid is 1.2g L-1.[Mol. Wt. Of H2SO4 =98 g mol –1 ]

Answer» <html><body><p><strong>Answer:</strong></p><p>ans is 60</p><p><strong>Explanation:</strong></p><p>The <a href="https://interviewquestions.tuteehub.com/tag/malarity-2812065" style="font-weight:bold;" target="_blank" title="Click to know more about MALARITY">MALARITY</a> is <a href="https://interviewquestions.tuteehub.com/tag/10-261113" style="font-weight:bold;" target="_blank" title="Click to know more about 10">10</a>% aqueous and if mass density of the acid is 1.2g but can solve this sum </p><p>18 )1.2( 60</p><p> <a href="https://interviewquestions.tuteehub.com/tag/108-266746" style="font-weight:bold;" target="_blank" title="Click to know more about 108">108</a></p><p> _ </p><p>the reminder is <a href="https://interviewquestions.tuteehub.com/tag/8-336412" style="font-weight:bold;" target="_blank" title="Click to know more about 8">8</a></p><p> </p><p></p></body></html>
Discussion
297.

Write any four points of essential qualities of a good feetilizers​

Answer» <html><body><p><strong>Answer:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/ecofriendly-7679601" style="font-weight:bold;" target="_blank" title="Click to know more about ECOFRIENDLY">ECOFRIENDLY</a>...with out causing the <a href="https://interviewquestions.tuteehub.com/tag/death-435466" style="font-weight:bold;" target="_blank" title="Click to know more about DEATH">DEATH</a> of other organismss....2.enhanching the quality of <a href="https://interviewquestions.tuteehub.com/tag/soil-15956" style="font-weight:bold;" target="_blank" title="Click to know more about SOIL">SOIL</a> .3.for promiting growth of <a href="https://interviewquestions.tuteehub.com/tag/plants-601210" style="font-weight:bold;" target="_blank" title="Click to know more about PLANTS">PLANTS</a> 4.should be <a href="https://interviewquestions.tuteehub.com/tag/easily-964537" style="font-weight:bold;" target="_blank" title="Click to know more about EASILY">EASILY</a> usable</p><p></p></body></html>
Discussion
298.

What Is Positive Catalyst?​

Answer» <html><body><p><strong>Answer:</strong></p><p>Positive catalyst: A catalyst which increases the <a href="https://interviewquestions.tuteehub.com/tag/rate-1177476" style="font-weight:bold;" target="_blank" title="Click to know more about RATE">RATE</a> of reaction is called positive catalyst. Such catalyst decreases <a href="https://interviewquestions.tuteehub.com/tag/activation-848050" style="font-weight:bold;" target="_blank" title="Click to know more about ACTIVATION">ACTIVATION</a> energy by <a href="https://interviewquestions.tuteehub.com/tag/accepting-846758" style="font-weight:bold;" target="_blank" title="Click to know more about ACCEPTING">ACCEPTING</a> a smaller path, so rate of reaction is <a href="https://interviewquestions.tuteehub.com/tag/increased-1040402" style="font-weight:bold;" target="_blank" title="Click to know more about INCREASED">INCREASED</a></p><p></p><p></p></body></html>
Discussion
299.

What is fehling solution test of aldehyde​

Answer» <html><body><p><strong>Explanation:</strong></p><p>248 249 9234. p12345</p><p>g </p><p>I</p><p>r</p><p>l</p><p>s</p><p></p><p>w</p><p>h</p><p>o</p><p></p><p>r</p><p></p><p>r</p><p>e</p><p>a</p><p>d</p><p>y</p><p></p><p>t</p><p>o</p><p></p><p>s</p><p>h</p><p>o</p><p>w</p><p></p><p>b</p><p>o</p><p>o</p><p>b</p><p>s</p><p></p><p>a</p><p>n</p><p>d</p><p></p><p>p</p><p>u</p><p>s</p><p>s</p><p>y</p><p></p><p>j</p><p>o</p><p>i</p><p>n</p><p></p><p>f</p><p>a</p><p>s</p><p>t</p></body></html>
Discussion
300.

Uses of acetaldehyde​

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>Acetaldehyde is <a href="https://interviewquestions.tuteehub.com/tag/primarily-2951709" style="font-weight:bold;" target="_blank" title="Click to know more about PRIMARILY">PRIMARILY</a> <a href="https://interviewquestions.tuteehub.com/tag/used-2318798" style="font-weight:bold;" target="_blank" title="Click to know more about USED">USED</a> to produce other chemicals, <a href="https://interviewquestions.tuteehub.com/tag/including-7264013" style="font-weight:bold;" target="_blank" title="Click to know more about INCLUDING">INCLUDING</a> acetic acid and disinfectants, drugs and perfumes.</p><p><strong>Explanation:</strong></p><p>ᴘʟᴇᴀsᴇ ᴍᴀʀᴋ ᴀs ʙʀᴀɪɴʟɪsᴛ </p><p>ʜᴀᴠᴇ ᴀ ɢʀᴇᴀᴛ ᴅᴀʏ </p></body></html>
Discussion