Basic features of chemical industries are:
It comprises both large and small scale manufacturing units.
It comprises both inorganic and organic sectors.
Inorganic chemicals include sulphuric acid (used to manufacture fertilisers, synthetic fibres, plastics, adhesives, paints, dyes stuffs), nitric acid, alkalies, soda ash (used to make glass, soaps and detergents, paper) and caustic soda. These industries are widely spread over the country.
Organic chemicals include petrochemicals, which are used for manufacturing of synthetic fibres, synthetic rubber, plastics, dyestuffs,
drugs and pharmaceuticals. Organic chemical plants are located near oil refineries or petrochemical plants.