Question

among the metals K,Na,ca,mg,Al,zn,Fe,an,pb,H,Cu,Hg,Ag,au name the metal which does not react with cold water but reacts with boiling hot water very slowly​

Answer 1

Answer:

mg

Explanation:

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Answer 2

Magnesium does not react with cold water. It reacts with hot water to form magnesium hydroxide and hydrogen. It also starts floating due to the bubbles of hydrogen gas sticking to its surface. Metals like aluminium, iron and zinc do not react either with cold or hot water.

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