The process of separating the various constituents or fractions of petroleum is known as refining. It is carried out in a petroleum refinery. The main products of petroleum refining are petroleum gas, petrol, diesel, lubricating oil, paraffin wax and kerosene. Following are the uses of petroleum products:

Petroleum gas is used as fuel for home and industry.

Petrol is used as a Motor fuel, aviation fuel and solvent for dry cleaning.

Diesel is used as a fuel for heavy motor vehicles and electric generators.

Lubricating oil is used as a lubricant.

Kerosene is used as a fuel for stoves, lamps and for jet aircrafts.

Paraffin wax is used in ointments, candles and Vaseline etc.

Bitumen Paints are used in road surfacing.