(i) Petrochemicals are used in cosmetics, pharmaceuticals and many chemical industries.
(ii) Petrochemical like Plastics, Detergents, Synthetic rubber and Synthetic fibre have wide range of uses.
(iii) Plastic is widely used today as it is durable, attractive, light in weight and cheap.
(iv) Polythene, PVC, Polystyrene, Synthetic rubber are different types of plastics.
(v) Synthetic fibres like nylon, dacron, terylene are cheaper and stronger than cotton, silk and wool.