Question

Why Iron does not react with either hot water or cold water???​

Answer 1

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• The heat evolved is not sufficient for the hydrogen to catch fire. Calcium starts floating because the bubbles of hydrogen gas formed stick to the surface of the metal. ... Metals like aluminium, iron and zinc do not react either with cold or hot water. But they react with steam to form the metal oxide and hydrogen....

Answer 2

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$\dashrightarrow$ metal like iron , zinc are active metal so they react with steam not cold water to form metal oxide .