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A substance X, which is an oxide of a gr...

A substance X, which is an oxide of a group 2 element, is used intensively in the cement industry. This element is present in bones also. On treatment with water it forms a solution which turns red litmus blue. Identify X and also write the chemical reactions involved.

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X is calcium oxide (CaO), also called quick lime. It reacts withh water to form calcium hydroxide which is a basic compound.
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