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Question

State whether the following reaction is True or False.
Ca+2H2OCa(OH)2+H2


A

True

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B

False

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Solution

The correct option is A

True


A metal reacts with water to give metal hydroxide and hydrogen gas. In this case, calcium reacts less vigorously with water to form hydrogen gas. The metals start floating because the bubbles of hydrogen gas formed, stick to the surface of the metal.


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