Question

Petroleum is also called ________oil. It is a mixture of various fuels which are separated by a process called _________.

• A. crude
• B. refining

Answer 1

Refining:

The process by which petroleum is separated into its components, such as petroleum gas, petrol, diesel, kerosene, and lubricating oils, is called refining.

Petroleum is also called crude oil.

Concluding statement

Petroleum is also called crude oil. It is a mixture of various fuels which are separated by a process called refining.