MCQ
$\text{CFCs}$ deplete the ozone layer because:
- AThey release $\ce{Cl_2}$ gas.
- ✓They release chlorine free radical.
- CThey release $\ce{F_2}$ gas.
- DBoth $(a)$ and $(b).$
✓
Answer
Correct option: B.
They release chlorine free radical.
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