Q. Which of these is major component of Biogas?
Answer: Methane
Notes: Biogas consists of 50-75% methane, 25-50% carbon dioxide as well as trace amounts of other gases such as hydrogen sulfide (H2S), ammonia (NH3), hydrogen (H2), nitrogen (N2), oxygen (O2), and water vapor. Methane and carbon dioxide together typically make up over 90% of biogas composition.
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