Chemistry Practice Question and Answer
8 4 Q:
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612759cdb05363065a00450e 4 Q:
61ea7f30e3f9cf3e03e0f578 4 Q:
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5fe9aa2500e3f71b8285e78f 4 Q:
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Q: Which is the most economical method of removing solid matter from water?
1060 062de70c3313eb40eb89fc948
62de70c3313eb40eb89fc948- 1Using deactivated carbonfalse
- 2Electrolysisfalse
- 3Distillationfalse
- 4Sedimentationtrue
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Answer : 4. "Sedimentation"
Q: Halogens are belonging to:
1054 0608b80848899c91069d282ed
608b80848899c91069d282ed- 1Group17true
- 2Group 8false
- 3Group 18false
- 4Group 7false
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Answer : 1. "Group17 "
Q: What is the percentage of carbon in steel?
1054 0612759cdb05363065a00450e
612759cdb05363065a00450e- 13 %false
- 24 %false
- 32 %true
- 45 %false
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Answer : 3. "2 %"
Q: Oiled paper is?
1054 061ea7f30e3f9cf3e03e0f578
61ea7f30e3f9cf3e03e0f578- 1Translatorfalse
- 2opaquetrue
- 3transparentfalse
- 4none of thesefalse
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Answer : 2. "opaque"
Q: _______ expansion makes the Eiffel Tower taller during summers.
1053 062bec77225fd051a65657af2
62bec77225fd051a65657af2- 1Gravitationalfalse
- 2Gradientfalse
- 3Chemicalfalse
- 4Thermaltrue
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Answer : 4. "Thermal"
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"
Q: Solutions having the same osmotic pressure at a given temperature are called_____.
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5fe9aa2500e3f71b8285e78f- 1hypertonic solutionfalse
- 2hypotonic solutionfalse
- 3colloidal solutionfalse
- 4Isotonic solutiontrue
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Answer : 4. "Isotonic solution"
Q: Which of the following is used as raw material for the manufacture of rayon?
1034 06389c46c9ebad6607b7f78db
6389c46c9ebad6607b7f78db- 1Coalfalse
- 2Petroleumfalse
- 3Cellulosetrue
- 4Plasticfalse
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Answer : 3. "Cellulose"
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