Question

Give a brief answer :- What happens when metals react with water?
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Answer 1

Answer:

Metals react with water and produce a metal oxide and hydrogen gas. ... Calcium starts floating because the bubbles of hydrogen gas formed stick to the surface of the metal. Magnesium does not react with cold water. It reacts with hot water to form magnesium hydroxide and hydrogen.

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Answer 2

Explanation:

Metals react with water and produce a metal oxide and hydrogen gas. ... Calcium starts floating because the bubbles of hydrogen gas formed stick to the surface of the metal. Magnesium does not react with cold water. It reacts with hot water to form magnesium hydroxide and hydrogen