Chemistry Practice Question and Answer
8 4 Q:
649a98d3c7d7c7e0672b7673 Answer : 3. "Antagonists"
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63aaa6fc5770eb565d4ff628 4 Q:
642c1b64ed76c064b866560c 4 Q:
6389c1e8c878936066e77493 4 Q:
63c7c0321e8e3f3e1a35f224 4 Q:
63c7abc48731ac33279ac0bd
Q: What do you call the drugs that bind to the receptor site and inhibit its natural function?
464 0649a98d3c7d7c7e0672b7673
649a98d3c7d7c7e0672b7673- 1Antidepressantsfalse
- 2Agonistfalse
- 3Antagoniststrue
- 4Depressantsfalse
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Answer : 3. "Antagonists"
Explanation :
1. Name: Antagonist
2. Mechanism of action: By binding to the surface of the receptor, they cause opposition to the natural function.
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:Read the following questions carefully and answer them.
Polythene is polymer of
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63aaaa17afa10611461dd6cd- 1Ethylenetrue
- 2Propylenefalse
- 3Acetylenefalse
- 4Anilinefalse
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Answer : 1. "Ethylene "
Q:Read the following questions carefully and answer them.
“All the four quantum numbers of two electrons in an atom are not the same.” It is the law of —
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63aaa6fc5770eb565d4ff628- 1Hund’sfalse
- 2Exclusion Principle of Paulitrue
- 3Uncertainty Principle of Heisenbergfalse
- 4Avogadro’s Lawfalse
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Answer : 2. " Exclusion Principle of Pauli "
Q: Which of the following is known as artificial silk?
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642c1b64ed76c064b866560c- 1Acrylicfalse
- 2Nylonfalse
- 3Polyesterfalse
- 4Rayontrue
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Answer : 4. "Rayon"
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: 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: A proton donor is a ____________ substance.
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63c7abc48731ac33279ac0bd- 1Proton genictrue
- 2Photophilicfalse
- 3Amphotericfalse
- 4Amphiproticfalse
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Answer : 1. "Proton genic"
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