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) * 1 point a) (i) and (ii) (b) (ii) and (iii) (c) (i) and (iv) (d) (ii) and (iv)

Answer 1

Answer:

i) Reaction of water with quick lime

Explanation:

The "reaction of water" with quick lime forms calcium hydroxide and "releases a lot of heat" energy, so it is exothermic reaction. Dilution of acid by adding water to concentrated acid releases a lot of heat energy, so it is exothermic reaction.

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