What is corrosion? Write an example.

(a) Explain the term "corrosion" with an example. Write a chemical equation to show the process of corrosion of iron.

(b) What special name is given to the corrosion of iron ?

(c) What type of chemical reaction is involved in the corrosion of iron ?

(d) Name any three objects (or structures) Which are gradually damaged by teh corrosion of iron and steel.

Corrosion of some metals is an advantage. Explain with an example.

Corrosion is an example of ___ (redox/reduction/physical) reaction.