Chemistry - Questions and Answers, General Study (GK)

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Chemistry - Questions and AnswersPage 39

381.

Commercially vulcanisation of rubber involves

(a)Sulphur

(b)Carbon

(c)Phosphorus

(d)Selenium

Comment

Answer is: ANA

382.

Nail polish remover contains

(a)Benzene

(b)Formaldehyde

(c)Acetic acid

(d)Acetone

Comment

Answer is: DNA

383.

Which gas is responsible for the formation of brown air in traffic congested cities?

(a)Sulphur dioxide

(b)Nitrogen oxide

(c)Carbon dioxide

(d)Carbon monoxide

Comment

Answer is: BNA

384.

Which one among the following is the natural polymer?

(a)Nylon

(b)Teflon

(c)PVC

(d)Cellulose

Comment

Answer is: DNA

385.

Which one of the following is used in the preparation of antiseptic solution?

(a)Potassium nitrate

(b)Iodine

(c)Iodine chloride

(d)Potassium chloride

Comment

Answer is: BNA

386.

Which one among the following agents is added to domestic LPG cylinder to help in the detection of gas leakage?

(a)Methanol

(b)Ethanol

(c)Thioethanol

(d)Chloroform

Comment

Answer is: CNA

387.

The pungent smell of garlic is due to

(a)A phosphate compound

(b)A nitrate compound

(c)A sulphur compound

(d)A chlorine compound

Comment

Answer is: CNA

388.

Which one among the following is the cheaf compound used in pepper spray, a riot control agent?

(a)Capsaicin

(b)Black pepper

(c)Sulphur dioxide

(d)Hydrogen sulphide

Comment

Answer is: ANA

389.

The flavour of apple is mainly due to which one of the following?

(a)Formalin

(b)Ethanol

(c)Benzene

(d)Benzaldehyde

Comment

Answer is: BNA

390.

Which one among the following polymers is re-synthesized from the naturally occurring polymer?

(a)Kevlar

(b)Teflon

(c)Rayon

(d)Cellulose

Comment

Answer is: CNA

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Chemistry - Questions and AnswersPage 39

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