Chemistry General Knowledge Questions Practice Question and Answer
8 4 Q:
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Q: Which of the following is/are the example/examples of chemical change?
(1) . Crystallization of sodium chloride
(2) . Melting of ice
(3) . Souring of milk
Select the correct answer using the code given below.
478 062ac7aa2184ea83a6380a6d9
62ac7aa2184ea83a6380a6d9- 13 onlytrue
- 21, 2 and 3false
- 31 and 2 onlyfalse
- 4Nonefalse
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Answer : 1. "3 only "
Q: What is the bond between two amino acids in a protein called?
478 06389b6699ebad6607b7f07fe
6389b6699ebad6607b7f07fe- 1Ester bondfalse
- 2Glycosidic bondfalse
- 3Peptide bondtrue
- 4Phosphodiester bondfalse
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Answer : 3. "Peptide bond"
Q:Read the following questions carefully and answer them.
Curd is sour due to presence of
466 063aaa987afa10611461dd172
63aaa987afa10611461dd172- 1Tartaric acidfalse
- 2Lactic acidtrue
- 3Acetic acidfalse
- 4Oxalic acidfalse
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Answer : 2. " Lactic acid "
Q: What is the full form of PVC?
459 06389b74ec878936066e6f4c8
6389b74ec878936066e6f4c8- 1Phosphonyl vinyl Carbonatefalse
- 2Polyvinyl S Carbonatefalse
- 3Polyvinyl Carbonatefalse
- 4Polyvinyl Chloridetrue
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Answer : 4. "Polyvinyl Chloride"
Q:Read the following questions carefully and answer them.
Polythene is polymer of
455 063aaaa17afa10611461dd6cd
63aaaa17afa10611461dd6cd- 1Ethylenetrue
- 2Propylenefalse
- 3Acetylenefalse
- 4Anilinefalse
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Answer : 1. "Ethylene "
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: A proton donor is a ____________ substance.
434 063c7abc48731ac33279ac0bd
63c7abc48731ac33279ac0bd- 1Proton genictrue
- 2Photophilicfalse
- 3Amphotericfalse
- 4Amphiproticfalse
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Answer : 1. "Proton genic"
Q: Identify a conjugate pair in the equation:
NH3 + H2O ⇌ NH4+ + OH–.
432 063c7c0321e8e3f3e1a35f224
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"
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