Multiple choice questions XXVI — task. Science CBSE, Class 10.

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1. How many ozone molecules can be destroyed by one chlorine fragment before other chemical processes remove the chlorine from the atmosphere

10
100
1000
100, 000

2. Ozone of ozonosphere is formed from

Nitrogen oxides and Oxygen
Chlorine, Water and Oxygen
Oxygen and Oxygen
All the above

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