Write three methods of preventing rusting of iron .

Explanation

The rusting of iron can be prevented by painting, oiling, greasing or varnishing its surface.
(2) Galvanisation is another method of protecting iron from rusting by coating iron with a thin layer of zinc.
(3) Corrosion of iron is prevented by coating iron with non-xcorrosive substance like carbon. This process is termed as alloying .