Question

Which of the following has had the greatest effect on ozone depletion?

a.water vapor (H2O)
b.carbon dioxide (CO2)
c.carbon monoxide (CO)
d.chlorofluorocarbons (CFCs)

Answer 1

D).Chlorofluorocarbons (CFCs) is the correct answer for the statement above

Answer 2

Correct answer: D) Chlorofluorocarbons (CFCs)

Ozone depleting substance are those substance which causes depletion of the ozone layer.

These ozone depleting substances are used in refrigerators, airconditioners, refrigeratorsfire extinguishers, , as solvents for cleaning, in dry cleaning, electronic equipment and as agricultural fumigants.

The chemical which are most commonly known to cause depletion of ozone layer are :

Chlorofluorocarbons (CFCs)

Carbon tetrachloride (CCl4),

Methyl chloroform (CH3CCl3)

Hydrobromofluorocarbons (HBFCs)