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Question

Which of the following processes can be used to prevent the rusting of Iron?

A
Painting
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B
Galvanising
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C
Chrome plating
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D
All the above
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Solution

The correct option is D All the above
Rusting of iron can be prevented by some methods like painting, oiling, greasing, galvanising, chrome plating, anodising, etc. where a layer of different substance is coated over the metal to prevent it to further react with the external atmosphere. This is how metals are protected from corrosion.

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