Chemistry Questions Practice Question and Answer
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Q: ______fibre is used in making bullet proof vests.
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6389b606c878936066e6e499- 1Nylon-66false
- 2Terylenefalse
- 3Kevlartrue
- 4Lexanfalse
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Answer : 3. "Kevlar"
Q: How many carbon atoms are joined in buckminsterfullerene?
1278 062ebdd1b4404a856fa1fc772
62ebdd1b4404a856fa1fc772- 130false
- 290false
- 360true
- 4120false
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Answer : 3. "60"
Q: Fe has 26 protons in its nucleus. What are the number of electrons in Fe2+ (II) ion?
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62f32f6209a97851b630ae7b- 124true
- 226false
- 328false
- 413false
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Answer : 1. "24"
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: NaHCO3 is chemical formula for ___________.
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62de6d24313eb40eb89fc5a4- 1Boraxfalse
- 2Vinegarfalse
- 3Limefalse
- 4Baking sodatrue
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Answer : 4. "Baking soda"
Q: __________________ is a drug or substance that makes you feel relaxed and makes your body work and react more slowly.
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62e7ec656f92bf0da7c49f2d- 1Antidotefalse
- 2Analgesicfalse
- 3Antihistaminefalse
- 4Depressanttrue
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Answer : 4. "Depressant"
Q: Which among the following is false about natural rubber?
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6389bb3dc878936066e74a7b- 1It is an elastomerfalse
- 2It is a monomer of cis-isoprenefalse
- 3Natural rubber is a polymer of chlororprenetrue
- 4It is heated with sulphur compounds to improve its propertiesfalse
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Answer : 3. "Natural rubber is a polymer of chlororprene"
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"
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