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Ozone is formed in the upper atmosphere ...

Ozone is formed in the upper atmosphere from oxygen by the action of ultraviolet rays cosmic rays free radicals nitrogen oxides

A

ultraviolet rays

B

cosmic rays

C

free radicals

D

nitrogen oxides

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The correct Answer is:
A
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V PUBLICATION-ENVIRONMENTAL CHEMISTRY-QUESTION BANK
  1. In which part of atmosphere, ozone layer is present? (1)Stratosphere ...

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  2. Assertion: Photochemical smog is produced by nitrogen oxides. Reason:V...

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

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  4. UV radiations brings about

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  5. Gas released during Bhopal tragedy was

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  6. Antidote for carbon monoxide is

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  7. Green chemistry means such reactions which (1)Produce colour during r...

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  8. When rain is accompanied by a thunderstorm, the collected rain water w...

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  9. .Name two compounds that can cause depletion of the ozone layer in the...

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  10. The brown haze of photochemical smog is largely attributable to NO NO...

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  11. Which of the following is not a greenhouse gas?

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  12. Use of chlorofluoro carbons is not encouraged because (1)They are harm...

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  13. Match the Column I and Column II and pick the correct matching from th...

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  14. Ozone in stratosphere is depleted by

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  15. Which of the following statements is false? (1)Photochemical smog caus...

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  16. An important product in the ozone depletion by chlorofluoro carbons is...

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  17. Which one of the following statement is not true? Oxides of sulphur, ...

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  18. Excess of nitrate ions in drinking water causes.

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  19. The water pollutants mainly responsible for eutrophication are

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  20. The hardness of water is estimated by

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