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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. CO₂ extinguishers are effective for electrical fires and flammable liquids, as they do not leave residues.

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