The chemical reaction between quicklime and water is characterised by:

(a) evolution of hydrogen gas

(b) formation of slaked lime precipitate

(c) change in temperature of mixture

(d) change in colour of the product

Correct Answer: (c) change in temperature of the mixture.
 Explanation: The chemical reaction between quicklime and water is highly exothermic, i.e, heat is evolved during this process.

$CaO\ ( s) \ +\ H_{2} O\ ( l) \ \rightarrow \ Ca( OH)_{2} \ ( aq) \ +\ Heat$

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Updated on: 10-Oct-2022

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