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

  • question_answer
    How has the use of CNG in automobiles reduced the pollution in cities?

    A)  It produces less amount of sulphur dioxide and chlorine.

    B)  It does not leave any residue or smoke after burning in the engine.

    C)  It produces large amount of carbon dioxide.

    D)  It is used in compressed form.

    Correct Answer: B

    Solution :

    CNG does not produce any pollutant.


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