| ⇦ | 
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Ozone is formed in the upper atmosphere from oxygen by the action of
Options
(a) ultraviolet rays
(b) cosmic rays
(c) free radicals
(d) nitrogen oxides
Correct Answer:
ultraviolet rays
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: P Block Elements in Group 15
(89)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Why do calcium ions make water hard but sodium ions do not
- CuSO₄ dissolves in NH₃ due to the formation of
- The orthophosphoric acid is a
- Benzenediazonium chloride on treated with water gives
- Nitrobenzene, on nitration,produces
Topics: P Block Elements in Group 15 (89)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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