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Question

Which of the following is a preventive method for corrosion?

A
Hammering
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B
Heating
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C
Galvanisation
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D
Cleaning with water
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Solution

The correct option is C Galvanisation
Galvanisation is a process in which iron objects are covered with a thin layer of zinc. Zinc forms a thick layer of zinc oxide when it comes in contact with air. And this layer prevents the contact of iron with air and water. Hence, iron objects are protected from rusting.

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