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Home > Ppsc Pms Model Paper 2 Bs 17 2020 Solved > Question

Depletion of the ozone layer is caused due to

0
A) Ferrocene
B) Freons
C) Fullerenes
D) Polyhalogens

Correct Answer: B) Freons

• Chemical formula of ozone is (O3) • Ozone layer is mainly located in the (Stratosphere) • CFC stands for (Chlorofluorocarbons) • Treaty signed to protect the ozone layer is (Montreal Protocol)

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