Why does a iron rod does not corrodes even if a very small part of it is left in contact with moisture
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The thin layer that forms on the surface of the metal prevents oxygen from coming into contact with more of the metal atoms and thus “protects” the remaining metal from further corrosion. Iron corrodes (forms rust) when exposed to water and oxygen. ... Coating prevents water and oxygen from contacting the metal.
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Answer:
Explanation:
Iron rode corrodes easily when it is kept in water or some thing like that
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