Q. Biogas produced by fermentation of manure, sewage, cattle dung, etc., predominantly comprises
A) Methane, nitrogen and hydrogen
B) Methane and carbon dioxide
C) Methane and carbon monoxide
D) Methane and nitric oxide
Explanation
Biogas produced by fermentation of manure, sewage, cattle dung, etc., predominantly comprises methane and carbon dioxide. The major component of biogas is methane (about 50-68%). The other gasess are carbon dioxide (25-35%), hydrogen (1-5%), nitrogen (2-7%) and rarely hydrogen sulphide
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.