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

  • question_answer Hydrogen gas has the highest calorific value i.e., \[150\,kJ\,k{{g}^{-1}},\]yet it is not used as a fuel. Why?

    A)                  It is explosive in nature.                

    B)                                         It causes storage problem.                

    C)                                         It causes transportation problem.                

    D)                                         All of the above                

    Correct Answer: D

    Solution :

    The availability of hydrogen is less and also forms an explosive mixture with air or oxygen and causes explosion if it leaks out. Its storage and transport are difficult.


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