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Question

Discuss the methods by which rusting of iron can be prevented.


Solution

Rusting of iron can be prevented by following methods:
(a) Painting: A coat of paint applied on the surface of an iron object prevents oxygen and moisture present in the atmosphere from interacting with the iron object.
(b) Oil or grease: Applying oil or grease on the surface of iron tools helps to keep out the oxygen and moisture of the atmosphere.
(c) Galvanization: Galvanization is a process of coating iron objects with a thin layer of metal such as zinc or chromium. A thin coating of zinc or chromium protects the iron from rusting.

Science
Living Science (2020, 2021)
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