Which of the following methods cannot be employed in order to prevent corrosion?

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Question

Which of the following methods cannot be employed in order to prevent corrosion?

Options:

A . Covering the surface by paint

B . Covering the surface by some chemical

C . Allowing the surface to interact with moisture

D . Providing the sacrificial electrode of another metal

Answer: Option C
:
C
Corrosion can be prevented by preventing the surface of of the metallic object to come in contact with the atmosphere. Options a, b and d shows methods of preventing the surface to come in contact with the atmosphere.

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