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Question
Chemistry
Ozone is formed in the upper atmosphere from oxygen by the action of
Q. Ozone is formed in the upper atmosphere from oxygen by the action of
3020
268
KEAM
KEAM 2003
Environmental Chemistry
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A
ultraviolet rays
B
cosmic rays
C
free radicals
D
nitrogen oxides
E
thermal radiation from sunlight
Solution:
Ozone is fanned in the upper atmosphere from oxygen by the action of ultraviolet rays. Ozone can absorb UV light to reform oxygen. Thus, the ozone layer acts as a screen and prevents the harmful UV radiations from reaching the surface of earth.