Chemistry Practice Question and Answer
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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: In the nucleus of Helium,
1125 05fe9a17300e3f71b8285c3ff
5fe9a17300e3f71b8285c3ff- 1four protonsfalse
- 2four neutronsfalse
- 3two neutrons and two protonstrue
- 4four protons and two electronsfalse
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Answer : 3. "two neutrons and two protons"
Q: Which of the following compound contains only Carbon and Hydrogen atoms in their formation?
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613ac986dffb173b7bd55970- 1Chloroformfalse
- 2Teflonfalse
- 3Ethanolfalse
- 4Benzenetrue
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Answer : 4. "Benzene"
Q: What is the full form of PVC?
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6389b74ec878936066e6f4c8- 1Phosphonyl vinyl Carbonatefalse
- 2Polyvinyl S Carbonatefalse
- 3Polyvinyl Carbonatefalse
- 4Polyvinyl Chloridetrue
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Answer : 4. "Polyvinyl Chloride"
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: Identify a conjugate pair in the equation:
NH3 + H2O ⇌ NH4+ + OH–.
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63c7c0321e8e3f3e1a35f224NH3 + H2O ⇌ NH4+ + OH–.
- 1Ammonia and waterfalse
- 2Water and hydroxide iontrue
- 3Ammonium ion and hydroxide ion.false
- 4Ammonia and hydroxide ionfalse
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Answer : 2. "Water and hydroxide ion"
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: Which of the following substances cannot act as both acid as well as a base?
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63c7b87a7efeed32fc1cb907- 1Amphoteric substancefalse
- 2Amphiprotic substancefalse
- 3Ampholytefalse
- 4Photophilictrue
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Answer : 4. "Photophilic"
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