Chemistry Questions 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: 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 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: ______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: Which of the following energy is most used in organic quantities?
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6329be895c208a6bf7ddd993- 1Solar Energytrue
- 2Petroleum Energyfalse
- 3Atomic Energyfalse
- 4Coal Energyfalse
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Answer : 1. "Solar Energy"
Q: Alpha particles are ___________.
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62f33ba13342ab1184379169- 1twice the mass of beta particlesfalse
- 2negatively chargedfalse
- 3just like helium nucleitrue
- 4lower in ionizing power as compared to gamma raysfalse
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Answer : 3. "just like helium nuclei"
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: How many carbon atoms are joined in buckminsterfullerene?
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62ebdd1b4404a856fa1fc772- 130false
- 290false
- 360true
- 4120false
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Answer : 3. "60"
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