everyday science MCQ #2936

Which gas is released when coal is burned with insufficient oxygen?

everyday science MCQ #2936

  1. Question 1

    Q1. Which gas is released when coal is burned with insufficient oxygen?

    • A) Carbon Monoxide
    • B) Carbon Dioxide
    • C) Ethene
    • D) Methane

    Answer: Carbon Monoxide

    Explanation: When coal burns with insufficient oxygen (incomplete combustion), carbon is only partially oxidized to form toxic carbon monoxide (CO) rather than carbon dioxide (CO₂).