Practice Question and Answer
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Q: Which of the following is used as raw material for the manufacture of rayon?
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6389c46c9ebad6607b7f78db- 1Coalfalse
- 2Petroleumfalse
- 3Cellulosetrue
- 4Plasticfalse
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Answer : 3. "Cellulose"
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: Which is widely used in the plastic industry for manufacturing Bakelite?
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6389c1e8c878936066e77493- 1Ethyl Alcoholfalse
- 2Phenoltrue
- 3Ortho-Cresolfalse
- 4Catecholfalse
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Answer : 2. "Phenol"
Q: Yeast is an important source of
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6389c16bc878936066e772a9- 1Vitamin Cfalse
- 2Proteinfalse
- 3Vitamin Btrue
- 4Invertasefalse
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Answer : 3. "Vitamin B"
Q: The brand name Teflon represents which polymer?
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6389c0e39ebad6607b7f646d- 1Polystyrenefalse
- 2Polypropylenefalse
- 3Polytetrafluoroethylenetrue
- 4Polyethylene terephthalatefalse
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Answer : 3. "Polytetrafluoroethylene"
Q: In chemistry, soap is a salt of a ............
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6389c06aa528960cccf4af4e- 1Fatty acidtrue
- 2Glycolfalse
- 3Phosphorousfalse
- 4Ammounium Carbonatefalse
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Answer : 1. "Fatty acid"
Q: Plastic bottles are made of a polymer called PET. The expanded form of PET is
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6389c01134f83f1472741741- 1Polyethylene terephthalatetrue
- 2Polyethyl Terelenefalse
- 3Polyethylene triphosphatefalse
- 4Polyethyl tetrachloridefalse
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Answer : 1. "Polyethylene terephthalate"
Q: Which one of the following vitamins is essential for coagulation of blood?
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6389bbea34f83f147273f3b0- 1Vitamin Afalse
- 2Vitamin B12false
- 3Vitamin Ktrue
- 4Vitamin Dfalse
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Answer : 3. "Vitamin K"
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