Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Environmental Science Environmental Issues Global Environmental Issues
Polar Stratospheric Clouds facilitate which of the following reactions in the development of ozone hole?
1
Cl2 + hv → 2Cl
2
ClNO3 + HCl → Cl2 + HNO3
3
ClO + NO2 + M → ClNO3 + M
4
Cl + O3 → ClO + O2