Chemistry Mock Test for NEET - 3

Question: 11

Enzymes are

(A) Protein

(B) Carbohydrates

(C) Acids

(D) None

Ans: A

Protein

Question: 12

The average atomic mass of chlorine is

(A) 17

(B) 35

(C) 35.46

(D) 37

Ans: C

35.46

Question: 13

Potassium Permanganate is used for purifying drinking water, because:

(A) it is a reducing agent

(B) it is an oxidising agent

(C) it is a sterilizing agent

(D) it dissolves the impurities of water

Ans: B

it is an oxidising agent

Question: 14

The major component used in preparation of different types of glasses is

(A) Sodium silicate

(B) Calcium silicate

(C) Sodium borate

(D) Silica

Ans: D

Silica

Question: 15

Heavy water is

(A) Water at -4°C

(B) Tritium oxide

(C) Deuterium oxide

(D) Rain water

Ans: C

Deuterium oxide

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