State the two important conditions for rusting.
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Answer:
The exposure of iron to oxygen in the presence of moisture leads to the formation of rust. ... This phenomenon takes place in the presence of moisture and air. So, the presence of air and water vapor in air are two necessary conditions for the rusting of iron.
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Explanation:
1--The presence of water and oxygen is essential for the rusting of iron.
2--Impurities in the iron, the presence of water vapor, acids, salts and carbon dioxide hastens rusting.
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