Question

Give an example in each of the following case to support that:
(i) Corrosion of some metals is an advantage.
(ii) Corrosion of a metal is a serious problem.​

Answer 1

Answer:

Corrosion of some metals is an advantage: Example: Corrosion of aluminium is useful. ... 2 Al2 O3 (s) Thus a protective layer of aluminium oxide is formed on the surface of the metal, which renders the metal passive and prevents its further corrosion.