Question

explain how painting of iron gate prevent it from russting​

Answer 1

Answer:

Iron rusts because it can be contacted by water-or the moisture in the air- and the metal takes the oxygen from the water forming iron oxide-rust. Paint or plating(like chrome plating) prevents the H2O molecules from reaching the surface of the metal so it can't get the oxygen.

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Answer 2

By painting an iron gate, we prevent its contact from the air and moisture present in the atmosphere. Hence, rusting is prevented. So,painting must prevent the iron gates from rusting because it will not allow the iron gates from coming in the contact with moisture and oxygen.