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Ozone layer of upper atmosphere is being destroyed by
- a)chlorofluorocarbons
- b)SO2
- c)O2 and CO2
- d)smog
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
Ozone layer of upper atmosphere is being destroyed bya)chlorofluoroca...
Chlorofluorocarbons (CFCs) are widely used as refrigerants. In the stratosphere, Cl free radicals are produced as a result of UV rays.
Chlorine reacts with ozone in the chain reaction method converting into oxygen. One active chlorine can destroy 5000 molecules of ozone in one month and about 1 lac ozone molecules during its stay in the stratosphere.
Cl (chlorine) atoms merely act as a catalyst and are not consumed in the reaction. Thus, CFCs have permanent and continuing effects on ozone levels.
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Ozone layer of upper atmosphere is being destroyed bya)chlorofluorocarbonsb)SO2c)O2 and CO2d)smogCorrect answer is option 'A'. Can you explain this answer?
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