explain rusting of iron and how to prevent iron from rusting
Answers
The rusting of iron can be prevented by the following methods:
(1) Iron surface is coated with paint. It is a temporary solution. The iron surface is shielded from oxygen and moisture.
(2) Iron is coated with another metal such as zinc. The process is called galvanising. Zinc is stronger reducing agent than iron and hence preferentially oxidised.
(3) An alloy of Fe with Cr is formed. This alloy is stainless steel. It reduces the tendency of iron to oxidise.
Answer:
Gravitation is a process of applying a protective
of zinc on a metal . It is very common method of
preventing the rusting of iron . This can be done by dipping the metal to be protected on hot molten zinc or by the process of electroplating
Zinc is relatively cheap metal that sticks to steel easily.
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