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    Question

    Which gas is commonly used in fire extinguishers to

    smother flames?
    A Carbon dioxide Correct Answer Incorrect Answer
    B Hydrogen Correct Answer Incorrect Answer
    C Oxygen Correct Answer Incorrect Answer
    D Sulfur dioxide Correct Answer Incorrect Answer

    Solution

    Carbon dioxide is widely used in fire extinguishers as it can displace oxygen, essential for combustion. COтВВ extinguishers are effective for electrical fires and flammable liquids, as they do not leave residues.

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