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

  • question_answer 4) Which of the following has the characteristics of a good fuel?

    A)  Coke                                    

    B)                         Butane               

    C)                         Coal                                     

    D)                         Kerosene                          

    Correct Answer: B

    Solution :

    All the given substances can act as fuels but butane is considered as a good fuel because of the following characteristics: (i) Exists in gaseous state (ii) Has high calorific value (iii) Does not form poisonous products during combustion

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