Question

What is rusting of iron?
how is it prevented?

Answer 1

Answer:

Galvanising is a method of rust prevention. The iron or steel object is coated in a thin layer of zinc. This stops oxygen and water reaching the metal underneath - but the zinc also acts as a sacrificial metal .

Answer 2

Answer:

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Rusting of iron :- the corrosion of iron due to the moisture is called rusting of iron. Shiny iron articles on exposure to moisture get coated with a brownish powder which peels off easily. in this way enormous amount of iron is damaged and lost.

Prevention of rusting :-

=> The iron article should be painted

=> the machine parts should be oiled and greased

=> galvanized iron pipes are used for water supply

=> Iron can be coated with chromium