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Question

Explain four methods by which rusting can be prevented.

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Solution

The following methods are used to prevent rusting:

(i) Coating of oil and grease to machinery parts and other tools.
(ii) Painting of metals used in railway coaches, bridges, furniture, automobiles, etc.
(iii) Coating of non-corrosive metals.
(iv) Alloying of metals with other metals.

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