Question

what is rusting. what are essentials for rusting?​

Answer 1

Answer:

when metal is exposed to water vapour

Answer 2

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==> Rusting is the common term for corrosion of iron and its alloys, such as steel. Many other metals undergo similar corrosion, but the resulting oxides are not commonly called rust.

 The presence of water and oxygen is essential for the rusting of iron. Impurities in the iron, the presence of water vapor, acids, salts, and carbon dioxide hasten to rust. Pure iron does not rust in dry and carbon dioxide free air.

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