What do you mean by refining of petroleum? - Vidyadip

Question

What do you mean by refining of petroleum?

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Answer

Petroleum is a dark oily liquid and have unpleasant smell. It is a mixture of various constituents. The process of separating various constituents like petroleum gas, petrol, diesel, lubricating oil, paraffin wax, etc. as fractions of petroleum is known as refining.

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