Question

Biogas is a mixture of

• A. Oxygen, carbon dioxide, methane
• B. Nitrogen and oxygen
• C. Methane, nitrogen, and hydrogen
• D. None of these

Answer 1

The correct option is A

Oxygen, carbon dioxide, methane

Explanation of the correct answer:

The correct answer is option A:

Biogas:

1. Biogas mostly consists of methane and carbon dioxide, with traces of oxygen, siloxane, and sulfide hydrogen.
2. Gases like methane, hydrogen, and carbon monoxide may all be burned or oxidized.
3. The use of biogas as fuel is made possible by this energy release.
4. It is used as a fuel, for instance, in cooking for heating purposes, and employed in a gas engine.

Explanation of the incorrect answers:

Options B, C, and D:

1. The mixture of biogas contains Oxygen, carbon dioxide, and methane.
2. Thus, these options are incorrect.

Hence, option A is correct, i.e., Oxygen, carbon dioxide, methane.