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NTA Abhyas NEET2020Chemistryp Block Elements (Group 15, 16, 17 & 18)Practice

Ozone is formed in the upper atmosphere from oxygen by the action of

Options

  1. Acosmic rays
  2. Bultraviolet rays
  3. Cfree radicals
  4. Dnitrogen oxides

Correct answer

B. ultraviolet rays

Step-by-step solution

Ultraviolet rays act on oxygen molecules to combine with oxygen atoms forming ozone in the upper atmosphere.

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