Question

Assertion : Liquid ammonia is used for refrigeration. 

Reason : It vaporises quickly.

(a) Both A and R are true and R is the correct explanation of A

(b) Both A and R are true but R is not correct explanation of A

(c) A is true but R is false

(d) A and R are false

Answer 1

The correct option is (b) Both A and R are true but R is not correct explanation of A.

Explanation:

Liquid ammonia is used in refrigeration on account of its large heat of evaporation.