A. Carbon (IV) oxide
B. Chlorofluorocarbon
C. Sulphur (IV) oxide
D. Hydrocarbons
Correct Answer: Option B
B. Chlorofluorocarbon
A. Carbon (IV) oxide
B. Chlorofluorocarbon
C. Sulphur (IV) oxide
D. Hydrocarbons
Correct Answer: Option B
B. Chlorofluorocarbon
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