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Question: Answered & Verified by Expert
Ozone is formed in the upper atmosphere from oxygen by the action of
Chemistryp Block Elements (Group 15, 16, 17 & 18)NEET
Options:
  • A cosmic rays
  • B ultraviolet rays
  • C free radicals
  • D nitrogen oxides
Solution:
2555 Upvotes Verified Answer
The correct answer is: ultraviolet rays
Ultraviolet rays act on oxygen molecules to combine with oxygen atoms forming ozone in the upper atmosphere.

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