Chemistry General Knowledge Questions Practice Question and Answer
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Q: Which of the following methods is best suited for the separation of a mixture containing naphthalene and benzoic acid
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63c8f8d3bdbddb32fda0eb03- 1Crystallizationfalse
- 2Chromatographyfalse
- 3Sublimationtrue
- 4Distillationfalse
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Answer : 3. "Sublimation"
Q: Which one of the following is non-reducing sugar?
1143 0638de33134f83f14728e2d6e
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
1136 063c921a2bdbddb32fda19117
63c921a2bdbddb32fda19117- 1Benzyl chloridetrue
- 2Chlorobenzenefalse
- 3Ethyl chloridefalse
- 4Isopropyl chloridefalse
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Answer : 1. "Benzyl chloride "
Q: A catalyst is a substance that_________ the velocity of a chemical reaction.
1131 05f7560fbc995cb2bd58dca56
5f7560fbc995cb2bd58dca56- 1Increasesfalse
- 2Decreasesfalse
- 3Changestrue
- 4None of thesefalse
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Answer : 3. "Changes"
Q: _______ expansion makes the Eiffel Tower taller during summers.
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62bec77225fd051a65657af2- 1Gravitationalfalse
- 2Gradientfalse
- 3Chemicalfalse
- 4Thermaltrue
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Answer : 4. "Thermal"
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: 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: The alkaloid naturally found in coffee, cocoa and colanut is
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6389c40334f83f14727428d0- 1Cocainefalse
- 2Morphinefalse
- 3Tanninfalse
- 4Caffeinetrue
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Answer : 4. "Caffeine"
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