Question

Paint applied to an iron surface prevents the iron from rusting . Explain how ?

Answer 1

this is bcz the paint acts as a shield between the iron and the oxyzen and if it gets in contact with oxygen then it gets oxidized and rust forms.

hope that helps you
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Answer 2

Answer:

Explanation:

(i) No, we cannot protect the articles permanently

from rusting by painting on them.

(ii) The method of painting is suitable for short time.

(iii) If there is a scratch on the paint on the surface

of the article and if a small surface of the metal

comes in contact with air, the process of rusting

starts below the layer of the paint.