Question

Which of the following is not a constituent of petroleum?

• A. paraffin wax
• B. Lubricating oil
• C. petrol
• D. coke

Answer 1

The correct option is D

coke

Explanation for correct option:

D. Coke

Petroleum:

• “The word petroleum is derived from petra (rock) and oleum (oil) as it is mined from between the rocks under Earth.”
• Petrol as well diesel are obtained from a natural resource known as petroleum.

Properties of petroleum:

• It is a dark oily liquid.
• Petroleum is comprised of many constituents such as petroleum gas, petrol, diesel, lubricating oil as well as paraffin wax.

Thus, coke is not a constituent of petroleum. Coke is a black tough substance i.e. almost the pure form of carbon and is used in the manufacture of steel.

Hence, the correct option is D i.e. Coke.