What are Petrochemicals? State its usage. [3 MARKS]
Petrochemicals : 1 Mark
Usage : 2 Marks
Petrochemicals are chemical products derived from petroleum. These are used in the manufacture of detergents, fibres (polyester, nylon, acrylic etc.), polythene and other man-made plastics. Hydrogen gas obtained from natural gas, is used in the production of fertilisers (urea).