Question

Which of the following gas is the main constituent of Biogas?

• A. Ozone
• B. Methane
• C. Sulfur dioxide
• D. Carbon dioxide

Answer 1

The correct option is B

Methane

Explanation

1. Biogas is a mixture of gases that are produced from organic matter during the anaerobic degradation by certain bacteria.
2. It consists of methane (75%), carbon dioxide (25%), and other gages such as water vapor, nitrogen, hydrogen, etc.
3. Therefore, Methane is the main constituent of Biogas.

Hence, option (b) is the correct answer.