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

  • question_answer Which of the following statements is NOT true?

    A)                  \[C{{O}_{2}}\]is the best fire extinguisher.                

    B)                                         Global warming can cause acid rain.                

    C)                         Burning of coal and diesel releases sulphur dioxide gas.

    D)                                         L.P.G. has higher calorific value than biogas.

    Correct Answer: B

    Solution :

    Global warming may cause glaciers to melt, which may lead to a rise in the sea level and thus submerge low lying areas.                

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