1.

Write three methods of preventing rusting of iron.

Answer»

1. 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 noncorrosive substance like carbon. This process is termed as alloying.


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