Question

how is corrosion differ from rusting

Answer 1

Rusting is a chemical process, which is common with the metals containing iron. In other words, the corrosion process taking place when there is iron, it is known as rusting. In the presence of oxygen and moisture or water, iron undergoes this reaction and form a series of iron oxide.

Corrosion is an irreversible process where  its structure will be deteriorated, and breaks down into small pieces.

Answer 2

corrosion nothing but it is a chemical reaction in which wearing of metal take place..and rusting is the part of corrosion in which iron react with water to form iron oxide ond corrosion take place