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      Question

      Which of the following is the best

      fire-extinguisher?
      A Water Correct Answer Incorrect Answer
      B Oxygen Correct Answer Incorrect Answer
      C Carbon-dioxide Correct Answer Incorrect Answer
      D Soil Correct Answer Incorrect Answer

      Solution

      Carbon dioxide (CO2) is effective as a fire extinguisher because it displaces oxygen, which is essential for combustion. Unlike water, it doesn’t conduct electricity and is non-damaging to electrical equipment, making it suitable for electrical fires.

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