Question

What is rusting? Explain how painting of an iron gate prevents it from rusting.



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Answer 1

Answer:

The essential component for rusting is the contact of metal with oxygen and moisture. When the iron gate is painted, it protects the iron to get in contact with oxygen, hence prevents it from rusting.

Answer 2

Answer:

When an iron gets dust on it by the amount of water vapour and humidity present in atmosphere it is called rusting.

We can prevent it by painting and galvanisation.