Why we can prevent the rusting of iron by iron by plating it with zinc reason?
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2
zinc breaks the contact between air and iron.
also it react with oxygen to form zinc oxide which also act as protective layer
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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.
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