State two essential conditions for rusting of iron. List two methods of protecting iron from rusting?
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The two essential conditions of rusting iron are the presence of oxygen, and the presence of water whose PH level is slightly acidic.
Grease coating can be given t prevent the iron from rusting as it blocks the oxygen and water to get in contact with the metal.
Galvanization can also be done.
Answered by
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1.Presence of oxygen (of air)
2.Presence of water or water vapour (moisture).
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