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Question

Which one of the following can cause depletion of ozone?
  1. H2S
  2. NO
  3. Smoke
  4. Aqua sols

A
Smoke
B
H2S
C
NO
D
Aqua sols
Solution
Verified by Toppr

H2S and NO, inititates the free radical reaction, which breaks the ozone molecule into oxygen, as

O3O2+[O]

Hence, we can say that H2S and NO causes ozone depletion.

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