Mention three areas in which H2SO4 plays an important role.

Sulphuric acid is an important industrial chemical and is used for a lot of purposes. Some important uses of sulphuric acid are given below.
(i) It is used in fertilizer industry. It is used to make various fertilizers such as ammonium
sulphate and calcium super phosphate.
(ii) It is used in the manufacture of pigments, paints, and detergents.
(iii) It is used in the manufacture of storage batteries.

Three areas in which H₂SO₄ plays an important role are given below:

1. It is used as electrolyte in storage batteries.

2. It is used in petrolium refining, detergent industry and in the manufacture of paints, pigments, dyes etc.

3. H₂SO₄ is used in the manufacture of fertilizers such as ammonium sulphate, calcium super-phosphate.