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Question

Which of the following can be used for preventing corrosion?


A

Painting

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B

Galvanising

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C

Chrome plating

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D

All of the given options are correct.

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Solution

The correct options are
A

Painting


B

Galvanising


C

Chrome plating


Corrosion is a process of conversion of a metal into its compound by continuous interaction with atmospheric air and water vapour.
It can be prevented by painting, oiling, greasing, galvanizing, chrome plating, anodizing or making alloys. Leaching is a technique used for concentration of ores in metallurgy.


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