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