Chemistry General Knowledge Questions Practice Question and Answer
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Q: A catalyst is a substance that_________ the velocity of a chemical reaction.
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5f7560fbc995cb2bd58dca56- 1Increasesfalse
- 2Decreasesfalse
- 3Changestrue
- 4None of thesefalse
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Answer : 3. "Changes"
Q: Which is the most economical method of removing solid matter from water?
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62de70c3313eb40eb89fc948- 1Using deactivated carbonfalse
- 2Electrolysisfalse
- 3Distillationfalse
- 4Sedimentationtrue
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Answer : 4. "Sedimentation"
Q: Oiled paper is?
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61ea7f30e3f9cf3e03e0f578- 1Translatorfalse
- 2opaquetrue
- 3transparentfalse
- 4none of thesefalse
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Answer : 2. "opaque"
Q: Emulsion is a dispersion of ____.
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5fe9aca500e3f71b8285edb8- 1Gas in Gasfalse
- 2Solid in Solidfalse
- 3Liquid in Liquidtrue
- 4All of thesefalse
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Answer : 3. "Liquid in Liquid "
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:Read the following questions carefully and answer them.
Polythene is polymer of
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63aaaa17afa10611461dd6cd- 1Ethylenetrue
- 2Propylenefalse
- 3Acetylenefalse
- 4Anilinefalse
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Answer : 1. "Ethylene "
Q: Which of the following has low density and low melting point?
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6082915b38ab470ae93bd9be- 1Natrue
- 2Fefalse
- 3Cufalse
- 4Aufalse
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Answer : 1. "Na"
Q: Halogens are belonging to:
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608b80848899c91069d282ed- 1Group17true
- 2Group 8false
- 3Group 18false
- 4Group 7false
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Answer : 1. "Group17 "
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