Question

painting a metal prevents it from corroding ? why​

Answer 1

Yes.

Explanation:

Because paint protect the metal from outer atmosphere by covering metal with a thin layer of paint which prevent it from corroding.

Answer 2

Answer:

When we paint metal it is prevented from corroding because paint is a layer between the metal and oxygen and oxygen will not react with the metal and this corroding will not happen. Metals react with oxgen and forms their oxides that is why they get corroded.

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