everyday science MCQ #5190

Which of the following gases is used in fire extinguishers?

everyday science MCQ #5190

  1. Question 1

    Q1. Which of the following gases is used in fire extinguishers?

    • A) Carbon monoxide
    • B) Carbon dioxide
    • C) Nitrogen oxide
    • D) Sulfur dioxide

    Answer: Carbon dioxide

    Explanation: Carbon dioxide is used in fire extinguishers because it displaces oxygen, smothering the fire without leaving residue or conducting electricity.