set 4 MCQ Questions & Answers Detailed Explanation

Question : 1

Bleaching powder gives smell of chlorine because it –

a) is a mixture of chlorine and slaked lime

b) is unstable

c) gives chlorine on exposure to atmosphere

d) contains excess of chlorine

Question : 2

Consider the following statements.

1. Anhydrous Sodium bicarbonate is commonly known as baking sodium (baking soda).
2. Baking soda is used as a fire extinguisher.
3. Bleaching powders are produced in Hasnclaver plant.

a) 2 and 3

b) Only 3

c) 1, 2 and 3

d) 1 and 2

Question : 3

Acid contained in the sting of an ant is ___________ .

a) formic acid

b) lactic acid

c) acetic acid

d) ascorbic acid