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DUMET Medical DUMET Medical Solved Paper-2010

  • question_answer
    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

    Correct Answer: B

    Solution :

    Biogas typically refers to a gas produced by the biological breakdown of organic matter in the absence of oxygen. The typical composition of biogas given below
    Compound Percentage
    Methane  50-75
    Carbon dioxide             25-50
    Nitrogen 0-10
    Hydrogen 0-1
    Hydrogen sulphide          0-3
    Oxygen 0-2


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