Question

What happens when metals like iron and copper are exposedd to moist air? describe the reaction.

Answer 1

Answer:

When a copper vessel is exposed to moist airfor a long time it develops a green layer on its surface. Copper corrodes by oxidation in which it reacts with oxygen in the air to formcopper oxide. Copper oxide then combines with carbon dioxide to make coppercarbonate, which gives it a green colour.

Explanation:

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