8th Class Science Combustion and Flame Question Bank Combustion and Flame

  • question_answer 28) Why is L.P.G, used as domestic fuel, mixed with a strong smelling volatile liquid like mercaptan?

    A)                  For better combustion                

    B)                                         For good smell/fragrance                

    C)                                         For detection of gas leakage                

    D)                                         For higher calorific value

    Correct Answer: C

    Solution :

    Butane is an odourless gas, so it is mixed with mercaptan such that if the gas leaks in air, it can be easily detected due to its peculiar choking smell and prevents it from explosion.                

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