Question

WHAT do you mean by corrosion ?and what happens in case of iron?

Answer 1

Answer:

Corrosion is a galvanic process by which metals deteriorate through oxidation—usually but not always to their oxides. For example, when exposed to air, iron rusts, silver tarnishes, and copper and brass acquire a bluish-green surface called a patina.

Explanation:

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Answer 2

Answer:

irreversible damage or destruction of living tissue or material due to a chemical or electrochemical reaction. in iron it happens due to present of water oxygen . it cuses weight loss and dullness of iron