Question

Which of the following are exothermic processes ?
(a) reactions of water with lime
(b) dilution of an acid
(c) evaporation of water
(d) sublimation of comphor

Answer 1

Answer:

When quick lime reacts with water, a large amount of heat is released along with the formation of calcium hydroxide. Similarly, the process of dissolving an acid or base in water is a highly exothermic reaction. Evaporation of water and sublimation of camphor are endothermic reactions.

Answer 2

Answer:

answer is a............................