Question

The process of separation of different constituents from petroleum is called ______.

• A. carbonisation
• B. coalification
• C. destructive distillation
• D. refining

Answer 1

The correct option is D refining

• Petroleum is found beneath the Earth’s surface as a mixture of different constituents. Apart from its useful constituents, it also contains various impurities.

• These impurities and the different useful constituents are separated in refineries and this process of separation of various components of petroleum is known as refining.