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  3. 8th Class
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  5. Combustion and Flame

8th Class Science Combustion and Flame Question Bank Combustion and Flame HOTS Objective Problems

  • question_answer
    The gas that is used in fire extinguishers is

    A)  Nitrogen                            

    B)  Hydrogen

    C)  Sulphur dioxide              

    D)  Carbon dioxide

    Correct Answer: D

    Solution :

      Carbon dioxide is an excellent fire extinguisher. It is a non-combustible gas and heavier than air. Hence, carbon dioxide is used in fire extinguishers. The correct answer is D.


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