engineering chemistry MCQ #3066

The ozone layer is depleted by

engineering chemistry MCQ #3066

  1. Question 1

    Q1. The ozone layer is depleted by

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

    Answer: CFCs

    Explanation: CFCs release Cl atoms, which catalytically destroy O3 molecules