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10th Class Science Sources of Energy Question Bank Sources of Energy and Natural Resources

  • question_answer
    Biogas is a mixture of:

    A) Methane, carbon dioxide, hydrogen and hydrogen sulphide

    B) Methane, carbon dioxide and hydrogen sulphide only

    C) Methane and carbon dioxide only

    D) Carbon dioxide and hydrogen sulphide only

    E) None of these

    Correct Answer: A

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