Question

Explain how painting of iron gate prevent rusting

Answer 1

Answer:

it forms the second layer

Explanation:

the painting of iron surface firms another layer of other metal which reacts with the water and air in the atmosphere and prevents the iron from rusting

simply painting of iron acts like a bodyguard to secure iron from rusting.

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.