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

  • question_answer Inspite of the danger involved with hydrogen, it is used for some applications. Where is it used?

    A)  Rocket fuel

    B)                         Oxyhydrogen flame

    C)                         Car fuel

    D)                         All of the above

    Correct Answer: D

    Solution :

    Though hydrogen is a highly combustible gas, because of its high calorific value, it is used as rocket fuel, for cutting and welding metals in the form of oxyhydrogen flame and as a car fuel under stringent safety conditions.


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