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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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Compound X is Calcium oxide.

CaO is extensively used in cement industry. On treatment with water, CaO produces Ca(OH)2 which is alkaline in nature and turns red litmus to blue color.

CaO(s) + H_2O(l)\rightarrow Ca(OH)_2(aq)

 

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