Question

Name any two constituents of petroleum which are not used as fuels.

Answer 1

Fractional distillation: It is a process through which the components of crude oil are separated into usable products. The fractional distillation of petroleum is called refining, and it depends on the fact that each compound of petroleum has a different boiling temperature.

Explanation: There are few petroleum products that are not used as fuels. Two of them are listed.

1. Lubricating oil
2. Grease