Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) People Development & Environment Environmental Issues Climate Change & Global Warming
Which of the following chemicals replaced chlorofluorocarbons (CFCs) after their phase out due to Montreal Protocol?
1
Perfluorocarbons (PFCs)
2
Hydrochlorofluorocarbons (HCFCs)
3
Sulphur hexafluoride (SF6)
4
Halons