Chemistry Practice Question and Answer
8 Q: Which law was studied in the year 1787, in which it was said that the volume of a gas increases with its absolute temperature and if its absolute temperature decreases, then its volume will decrease?
552 064b5204188d5e4f52dd2277b
64b5204188d5e4f52dd2277b- 1Boyle’s lawfalse
- 2Dalton’s lawfalse
- 3Avogadro’s lawfalse
- 4Charles's lawtrue
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Answer : 4. "Charles's law"
Explanation :
1. Charles's law (also known as volume law) is an experimental gas law.
2. The volume of a gas increases with its absolute temperature and as its absolute temperature decreases its volume also decreases.
3. Charles's law was studied in the year 1787.
Q: The gas which is present in both the natural gas and the bio-gas is
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638ddfd634f83f14728de825- 1Methanetrue
- 2Butanefalse
- 3Hydrogenfalse
- 4Carbon Monoxidefalse
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Answer : 1. "Methane"
Q: Which one of the following is non-reducing sugar?
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638de33134f83f14728e2d6e- 1Glucosefalse
- 2Sucrosetrue
- 3Maltosefalse
- 4Lactosefalse
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Answer : 2. "Sucrose"
Q: Find the compound which undergoes nucleophilic substitution reaction exclusively by an SN1 mechanism
531 063c921a2bdbddb32fda19117
63c921a2bdbddb32fda19117- 1Benzyl chloridetrue
- 2Chlorobenzenefalse
- 3Ethyl chloridefalse
- 4Isopropyl chloridefalse
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Answer : 1. "Benzyl chloride "
Q: In chemistry, soap is a salt of a ............
531 06389c06aa528960cccf4af4e
6389c06aa528960cccf4af4e- 1Fatty acidtrue
- 2Glycolfalse
- 3Phosphorousfalse
- 4Ammounium Carbonatefalse
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Answer : 1. "Fatty acid"
Q:Read the following questions carefully and answer them.
The isotope of Uranium used in atomic reactors is
524 063aaabe3e541fa7a01223f5f
63aaabe3e541fa7a01223f5f- 1$$U^235$$true
- 2$$U^236$$false
- 3$$U^237$$false
- 4$$U^232$$false
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Answer : 1. "$$U^235$$ "
Q: What is the function of a catalyst in a chemical reaction?
524 063c921fdb338bc336f0ddb80
63c921fdb338bc336f0ddb80- 1Decrease rate constant of reactionfalse
- 2Increases activation energy of reactionfalse
- 3Reduces enthalpy of reactionfalse
- 4Does not affect the equilibrium constant of reactiontrue
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Answer : 4. "Does not affect the equilibrium constant of reaction"
Q: The common name of dichlorodifluoromethane is _____.
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62cd637951fe3472d6b30512- 1gypsumfalse
- 2boraxfalse
- 3galenafalse
- 4Freontrue
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