Question

Which of the following is not derived from fossil source of energy?

• A. Coal
• B. Kerosene
• C. CNG
• D. Cow dung cake

Answer 1

The correct option is D

Cow dung cake

Explanation of the correct option

D:Cow dung cake

1. Cow dung cake is not derived from fossil sources of energy.
2. Cow dung cake is a renewable and non-conventional source of energy.

Explanation of the incorrect option

A:Coal

1. Coal is formed up of the energy accumulated by plants that lived hundreds or millions of years ago in swampy forests.

B:Kerosene

1. Kerosene is produced by distilling crude oil (straight-run kerosene) or breaking heavier petroleum streams (cracked kerosene).
2. Raw kerosene has properties that enable it to be blended with performance additives and used in a variety of commercial applications, including transportation fuel.

C:CNG

1. CNG is made by compressing natural gas to less than 1% of its original volume at standard atmospheric pressure.

Hence, the correct answer is option (D).