1.

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» D. Sulphur dioxide


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