engineering chemistry MCQ #3098

The ozone layer depletion is mainly caused by?

engineering chemistry MCQ #3098

  1. Question 1

    Q1. The ozone layer depletion is mainly caused by?

    • A) CO2
    • B) CFCs
    • C) CH4
    • D) N2O

    Answer: CFCs

    Explanation: CFCs release Cl atoms, which catalytically destroy O3 molecules, causing ozone layer depletion