Crude oil contains:
Petroleum gas, diesel and lubricating oils.
Correct option explanation
Both (B) and (C) are correct.
Refining: The process by which petroleum is separated into its components, such as petroleum gas, petrol, diesel, kerosene, and lubricating oils, is called refining.
The explanation for incorrect options
(A) Coal is not a component of crude oil.
(D) Natural gas is not a component of crude oil.
Petroleum is separated into its components, such as petroleum gas, petrol, diesel, kerosene, and lubricating oils, by a process called refining, therefore options (B) and (C) both are correct.