Question

name two metals which start floating when kept in water​

Answer 1

Answer:

Calcium and magnesium are two metals that start floating after some time when immersed in water. The bubbles of the hydrogen gas so formed in the reaction stick to the surface of the metal surface, and thus the metals float on water

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Answer 2

""" ❤️ Answer ❤️ """

Calcium and magnesium are two metals that start floating after some time when immersed in water.

Explanation: Calcium and Magnesium react with water to form respective hydroxides and release hydrogen gas. The reactions are given as:

Ca + 2H2O → Ca(OH)2 + H2

Mg + 2H2O → Mg(OH)2 + H2

The bubbles of the hydrogen gas so formed in

the reaction stick to the surface of the metal surface, and thus the metals float on water.