Question

Which of the following are exothermic processes? (i) Reaction of water with quick lime (ii) Dilution of an acid (iii) Evaporation of water (iv) Sublimation of camphor (crystals) (a) (i) and (ii) (b) (ii) and (iii) (c) (i) and (iv) (d) (ii) and (iv)​

Answer 1

Option (a) ( i ) and ( ii )

Answer 2

Answer:

Quick lime is calcium oxide. It reacts with water to form calcium hydroxide. The reaction of water with quicklime releases a large amount of energy. Hence, this is an exothermic reaction