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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 45301. |
43. Give reason for the following observation : The smell of hot sizzling food reaches us even from a considerable distance but to get the smell from coldfood, we have to go close to it? |
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Answer» The smell of hot sizzling food REACHES you SEVERAL metres away, but to get the smell from cold food you have to go close because the kinetic energy of the PARTICLES of matter increases with the increase in temperature. |
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| 45302. |
What is the weight of 10²³ molecules of sulphur dioxide |
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| 45303. |
A.50ml of 0.2M NH3 + 50ml of 0.1M HClB.50ml of 0.2M NH3+ 50ml of 0.2M HClC.50ml of 0.2M HCl + 50ml of 0.2M NaOHD.50ml of 0.1M CH3COOH + 50ml of 0.1M NaOH |
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Answer» jsjejeiie you so so so SORRY to be PERMANENTLY CLOSED by the |
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| 45304. |
. What is molarity of K+ in aqueous solution that contains 17.4 ppm of K2SO4 (molecular weight of K2SO4 is 174g/mol.) |
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| 45305. |
The atomic energy plant at chernobyl was used only for generating |
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Answer» The nuclear power plant CONSISTED of four RBMK-1000 REACTORS, each capable of PRODUCING 1,000 megawatts (MW) of electric power (3,200 MW of thermal power), and the four together PRODUCED about 10% of UKRAINE's electricity at the time of the disaster. |
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| 45306. |
What is the IUPAC name for this bond line formula |
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Answer» ttached in ALCOHOL FUNCTIONAL GROUP EXPLANATIONIF |
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| 45307. |
Amongst the ions Na+, Mg2+, F- and 02- which one has the largest ionic radius andwhich one has the smallest ionic radius ?Explain. |
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Answer» ok. HOPE it HELPS youmark me as BRAIN LIST. Explanation:ok. hope it helps youmark me as brain list. |
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| 45308. |
Cassiterite is an ore of |
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Answer» Cassiterite, also called tinstone, heavy, metallic, hard TIN dioxide (SnO2) that is the major ore of tin. It is COLOURLESS when pure, but brown or black when iron impurities are present. Commercially important QUANTITIES occur in placer DEPOSITS, but cassiterite also OCCURS in granite and pegmatites. ... Cassiterite.Explanation:Hope it helpful ✌️✌️ |
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| 45309. |
Beet root basic colour |
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Answer» ic COLOUR of BEETROOT is RED with purple tinges.Hope it HELPS you... |
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| 45310. |
B)What designations are given to the orbitals having (i) n = 2, 1 = 1 (ii) n=2,1 = 0 (ili) n = 4,1 = 3(iv) n = 4,1 = 2 (v) n = 4,1 = 1? |
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| 45311. |
Self-Assessment Exercise 4 1. Describe the formation of cations for the following metal atoms:(a) Li(atomic no 3)(b) Al(atomic no. 13) |
| Answer» LI(ATOMIC no 3)Explanation:hope it's helps you | |
| 45312. |
Nayan prepared a colourful chart of metal activity series for a school project. Using this chart she found that Potassium and Sodium react (i)___________with cold water whereas (ii)____________reacts less vigorously. From Magnesium till Iron ,metal react smoothly with(iii)______. Below(iv)________, metals do not react with water or steam. She concluded that most(v)__________metal is at top of the series. She used the the words given in the bracket. { active, vigorously, hydrogen,calcium, steam}. |
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Answer» activevigorouslyhydrogencalciumsteam |
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| 45313. |
Calculate the quantity of copper(i) sulphide required to produce 1270 tonnes of copper. (Ar: O = 16; S = 32, Cu = 63.5) |
| Answer» TION:RT the PHOTO is not AVAILABLE on the photo CLEAR so | |
| 45315. |
Discuss the role of adsorbent in pollution abatement |
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Answer» Adsorption is often used in applications where recovery of the ADSORBATE is desired or if the CONCENTRATION of the adsorbate is very low and other types of POLLUTION treatment would be cost prohibitive. ... In chemical adsorption, a chemical bond is created between the adsorbate and adsorbent.Explanation:hope it's helps you |
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| 45317. |
08. A non metal 'X' on reaction with oxygen form an oxide 'Y' which is used to extinguish fire. 'Y' when react with water turns into a compound 2' which turns blue litmus red. Name 'X',Y,Z. Also write the equations for the above reactions. |
| Answer» LITMUS RED litmus and BLUE | |
| 45318. |
Plz answer all questionsWhat food have you never eaten but would really like to try? Where are some unusual places you’ve been?What movie can you watch over and over without ever getting tired of?When you are old, what do you think children will ask you to tell stories about?What really makes you angry?What motivates you to work hard?What is your favorite thing about your career? |
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Answer» 1. chicken LOLLIPOP( as Im vegetarian)2. dont sleep3. no.. they wont.. 4. calling out my secrets5. study room6.honesty and will to help OTHERS HOPE these ANSWERS are helpful sorry if my answers sound sarcastic |
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| 45319. |
The equilibrium constant for the given reaction, CaCO, CaO + CO26 is given byK-1.[Cao][CO,K2.[CaCO,1[Cao]3.[Caco,]K =[002])K[co] |
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Answer» For CaCO 3 (s)⇌CaO(s)+CO 2 (G),K c is equal to [CO 2 ]Note: The concentrations of solids calcium carbonate and calcium OXIDE do not APPEAR in the EQUILIBRIUM constant expression. |
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| 45320. |
2. (a) What does the diffusion of gases tell us about their particles ? (b) Give one example of diffusion of gases in a liquid. |
| Answer» TION:a)Diffusion of GASES tells us that the MATTER comprises of tiny particles and has SPACE between them.b)The example of diffusion of gases in liquids is:Oxygen (gas) gets DISSOLVED in blood (liquid) during the process of respiration | |
| 45321. |
A molecular orbital is.... options. ..monocentric dicentric tricentric poly centric |
| Answer» TION:polycentric is the RIGHT ANSWER.. | |
| 45322. |
A molecular orbital is.... |
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Answer» istry, a molecular orbital is a MATHEMATICAL function describing the location and wave-like BEHAVIOR of an electron in a molecule. ... They are usually constructed by combining atomic orbitals or hybrid orbitals from each ATOM of the molecule, or other molecular orbitals from groups of atoms. |
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| 45323. |
F. Types of matter (on the basis of chemicalcomposition). |
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Answer» ️ »»On the BASIS of chemical properties, matter is classified as elements, compounds and mixtures. Solids- Solids have strong molecular force and a definite shape and size solids can neither flow nor be compressed. LIQUIDS- Liquids have weak intermolecular flow and LARGE intermolecular spaces. |
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| 45324. |
41 (a) When an incense stick (agarbatti) is lighted in one corner of a room, its fragrance quickly spreads in the entire room. Name the process involved in this.(b) A girl is cooking some food in the kitchen. The smell of food being cooked soon reaches her brother'sroom. Explain how the smell could have reached her brother's room. |
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Answer» because particles are CONTINUOUS in NATURE . ok HOPE it's HELPFUL to you dear |
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| 45325. |
Sketch the structure of sodium |
| Answer» HELPED YOUPLEASE MARK it as BRAINLIEST ANSWER!!! | |
| 45327. |
What is major product formed in the following reaction? CH3ROORH3C-CFC-CH3НСІ?CH3CH3(A)Hac—–—CH(B)HHC-C-C–CH3CICICH2H2 H2-C —C—CI(D)(@)No ReactionH3C-C |
| Answer» LASS and STATE BRD or CBSE? | |
| 45328. |
All the chemical reaction related to chapter chemical reaction and equation |
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Answer» What is a CHEMICAL Reaction?A chemical reaction is in which the bonds are BROKEN within reactant molecules, and new bonds are FORMED within product molecules in ORDER to form a new substance.Chemical reactions are all around us, from the metabolism of food in our body to how the light we get from the sun is the results of chemical reactions. Before beginning with chemical reactions, it is important to know about physical and chemical changes. |
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| 45329. |
Explain: distillation and fractional distillation |
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| 45330. |
Q4. Complete the following:сно,(of each)"IKetoneOH |
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Answer» Initially −CHO ORTHO to −NO 2 is reduced in the CANNIZZARO reaction which FINALLY undergo esterification.solution |
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| 45331. |
What is geography????????? |
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Answer» a PART of social scienceExplanation:HOPE THIS HELPS YOUMARK ME AS BRAINLIEST |
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| 45332. |
What happens when? Aluminium react with dilute sulphuric acid |
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Answer» ppens when? ALUMINIUM REACT with dilute sulphuric ACID ?Reaction of aluminium with acids:-Aluminium metal dissolves readily in dilute sulphuric acid to form solutions CONTAINING the aquated Al(III) ion together with hydrogen gas, H2. The CORRESPONDING reactions with dilute hydrochloric acid also give the aquated Al(III) ion. |
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| 45333. |
1. A compound having the molecular formula C8H8O2 shows the absorption bands at 3030 cm,2820 cm-1, 2730 cm-1, 1700 cm-1, 1180 cm-1 and 820 cm-1. Identify the compound. |
| Answer» TION:I HOPE it will be HELPFUL for you.. | |
| 45335. |
What is the simplest form of Alcohol |
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Answer» methanolI HOPE it will HELPFUL for you MARK me as BRAIN LIST |
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| 45336. |
1. Give two reasons to justify that: (a) Water is a liquid at room temperature.(b) An iron almirah is a solid. |
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Answer» Water at room temperature does not have a fixed shape but FLOWS to take the shape of the CONTAINER. Hence, water at room temperature is a LIQUID. (b) An iron almirah is a solid at room temperature because its MELTING point as well as boiling point is above room temperature. |
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| 45337. |
How should we balance NH3+H2SO4=(NH4)2So4+H2? |
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Answer» is REACTION me H2 EXTRA hai.Explanation:2NH3+H2SO4=(NH4)SO4. |
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| 45339. |
(b) How can you differentiate the primary and secondary standard glasswares? |
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Answer» standard solutions are solutions MADE out of PRIMARY standard substances. Secondary standard solutions are not as pure as primary standard solutions. Purity is the MAIN DIFFERENCE between primary and secondary standard solution. |
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| 45340. |
What does one mean by exothermic and endothermic reactions? Give examples. Why is respiration considered an exothermic reaction? Explain. |
| Answer» RESPIRATION is CONSIDERED as an exothermic reaction because, in respiration process, oxidation of glucose takes place which produces a large amount of heat energy which stored in the form of ATP. This is shown in FOLLOWING chemical EQUATION. C6H12O6+6O2→6CO2+H2O+energy (ATP): | |
| 45341. |
७.)निम्म पर टिप्पणी लिखिए-हाइपर कान्गेसनाऐरोमैटीसिटी।6) |
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Answer» If you have no idea then why do you post such IRRELEVANT answers only to get the points. You guys NEVER think about the ones who is REALLY in need of a proper answer. |
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| 45342. |
Name the force whichcreate between the organic compund and who gave it |
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Answer» Friedrich Wöhler PRODUCED the ORGANIC chemical urea (carbamide), a constituent of URINE, from inorganic starting materials (the salts potassium cyanate and ammonium sulfate), in what is now called the Wöhler synthesis. |
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| 45343. |
German utensils are made up of? |
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Answer» 1. Copper.2. Iron.3. Stainless steel.4. Earthenware and enamelware.5. Aluminium.6. Clay.7. Plastics.8. Glass.Explanation:Please mark as BRAINLIEST answer |
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| 45344. |
39. Arrange the following substances in increasing order of force of attraction between their particles (keeping the substance having the minimum force of attraction first):Water, Sugar, Oxygen |
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| 45345. |
the equilibrium constant for the following reaction is 5.62×10³⁵ at 25°c Co (g) + Cl (g) gives CoCl2 (g) .Calculate delta fG° for CoCl2 at 25°c |
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Answer» the EQUILIBRIUM CONSTANT for the FOLLOWING REACTION is 5.62×1035at 25 |
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| 45346. |
Is it water show reversible or irreversible reaction |
| Answer» EXPLANATION:CONSIDER again the REACTION in which hydrogen gas and oxygen gas COMBINE to PRODUCE water. This reaction is reversible if an electric current is applied to the water that is produced. | |
| 45348. |
For which of the following AE = AH (a) N20 (0) = 2NO2(g)(c) H2(g)+C12(g) 2HCl(g)(b) 2802(g) + O2(g) = 2803(g) (d)(d) H2(g) +10,6)=H200 |
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| 45349. |
What is valency? Give the valency of chlorine? How did u get it? |
| Answer» VALENCY is DEFINED as the combining capacity of atoms or MOLECULES. The atomic number of CHLORINE is 17 and the electronic configuration is 2, 8, 7. ... Therefore, the valency of chlorine is 1. | |
| 45350. |
Maharastriya dnyan kosh author |
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Answer» The AUTHOR is SHRIDHAR Venkatesh Ketkar. HOPE IT HELPS THANKS FOR WATCHING |
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