Question

Ozone layer in upper atmosphere (stratosphere) is destroyed by or which one of the chemicals is responsible for the reduction of ozone content of atmosphere [MP PMT 1990, 2002, 04; BHU 1989, 90; CPMT 1993; KCET 2000; Pb. PMT 2000]
A) Hydrochloric acid
B) Photochemical smog
C) Chlorofluoro carbon (CFC)
D) Sulphur dioxide

Answer 1

The answer is
C) Chlorofluoro carbon (CFC)

The depletion is caused by CFCs and by other compounds such as Carbon tetrachloride (CCl4) and Carbon tetrafluoride (CF4).

Hope this wil help u.

Answer 2

hiii,

Ozone layer in upper atmosphere (stratosphere) is destroyed by Chlorofluoro carbon (CFC)

hope helps