Question

Which among the following is considered as the cleanest fuel?

• A. Petrol
• B. Kerosene
• C. Hydrogen Gas
• D. Cow Dung Cake

Answer 1

The correct option is C

Hydrogen Gas

Explanation for correct option

(C)Hydrogen Gas

• When hydrogen gas is burned in the air, it creates solely water vapor, making it the cleanest fuel.
• Hydrogen is the lightest element in the universe, and it is also the most abundant chemical component.

Explanation for incorrect option:

(A) Petrol

• Petroleum components are separated by fractional distillation.
• It is burned as fuel, contributing to global warming and acidification of the oceans.

(B) Kerosene

• It is flammable since it is made of petroleum.
• Because it can withstand a higher temperature before vaporizing, it is not regarded as the cleanest fuel.

(D) Cow Dung Cake

• Cow dung cake is created and utilized as fuel by using animal husbandry, and it is known in India as Chulha.
• It consumes more oxygen and takes a long time to ignite, cow dung cake is not regarded as the cleanest fuel.

Hence, the correct answer is (C). The cleanest fuel is Hydrogen Gas.