Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Everyday & Industrial ChemistryGases in Everyday Life
What is the main constituent of biogas?
- A.Carbon dioxide
- B.Ethane
- C.MethaneCorrect answer
- D.Hydrogen
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Practice these MCQs in the appQuick fact: The main constituent of biogas is methane, which makes up about 50–70% of its composition.