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When quicklime dissolves in water?

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When quicklime dissolves in water?

A.

heat is absorbed

B.

heat is evolved

C.

oxygen is liberated

D.

hydrogen is given off

Correct answer is B

- When quicklime is added to water, it forms slaked lime along with the evolution of heat. There will be a rise in the temperature of the bucket. Calcium oxide reacts with water to form calcium hydroxide, also called slaked lime.

- That is adding water to quicklime produces an exothermic reaction (gives out heat) and hydrated lime.