Question

Name the phenomenon : A metal such as iron is damaged when exposed to moist air for a long time______
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Answer 1

Answer:

rusting

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Answer 2

Corrosion is a phenomenon. here in the metal such as iron, it is corroded or damaged when exposed to moist air for a long time.

• Explanation:

• It is an oxidation process in which loss of metal takes place.
• The presence of chemical or oxygen causes the disintegration of metal on the surface of the metals is called Corrosion.
• It is the formation of oxide in the presence of oxygen on the metal.
• The formation of oxide on the surface of iron is called rust.
• It can be also termed as the deterioration of a metal due to external factors.