Question

Name that constituent of biogas which make it an excellent fuel. Write two uses of biogas.

Answer 1

Biogas: Biogas is produced by the degradation of biomass like animal waste, plant waste, and human waste in a container in the absence of air. Biogas is clean as it does not leave behind any residue like ash in the case of coal or wood. Also, it does not emit any fumes or smoke.

Explanation: The constituent of biogas that makes it clean is methane gas, as methane comprises 75% of the biogas.

The two uses of biogas are:

• It is widely used for cooking.
• Use in electricity generation.