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Question

What is the reaction of calcium oxide with water?

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Solution

When calcium oxide (commonly known as quick lime) reacts with water, then it combines with water and forms calcium hydroxide (commonly known as slaked lime). (1 Mark)

CaO + H2O → Ca(OH)2 (1 Mark)

Calcium oxide + Water → Calcium hydroxide

This reaction is an example of a combination reaction.


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