Question

Reaction of slake lime formation

Answer 1

Answer:

The formation of slaked lime (calcium hydroxide, Ca(OH)2) when water is added to lime (CaO) is exothermic.

CaO(s) + H2O (l) → Ca(OH)2(s)

This reaction occurs when water is added to dry portland cement to make concrete, and heat evolution of energy as heat is evident because the mixture becomes warm.

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