Question

# The process of separation of different constituents of petroleum is known as ___ of petroleum.

Solution

## Petroleum is a dark oily liquid with an unpleasant odour. It is a mixture of various constituents such as petroleum gas, petrol, diesel, lubricating oil, paraffin wax, etc. The process of separating the various constituents/fractions of petroleum is known as refining. It is carried out in a petroleum refinery.

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