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Ozone is useful in and harmful in...

Ozone is useful in ______ and harmful in ___

A

Troposphere & Mesosphere

B

Mesosphere & Troposphere

C

Thennosphere & Stratosphere

D

Stratosphere & Troposphere

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The correct Answer is:
D
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AAKASH SERIES-ENVIRONMENTAL CHEMISTRY-LEVEL - I (EXERCISE -I) (Definition of terms , Introduction , Environmental segments - Air pollution , Water pollution)
  1. CFC are used extensively, It is because

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  2. The species formed in the depietion of ozone layer by chloroflurocarbo...

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  3. Ozone is useful in and harmful in

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  4. Carcinogenic pollutant among the following is

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  5. The pollutant which deteriorates the plant cellulose

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  6. Wrong statement regarding 'London smog' is

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  7. Smog is mainly due to

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  8. Which of the following pollutant is released from the emissioin tuhes ...

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  9. Which of the following are biodegradable pollutants

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  10. A 50% increase of CO2 level in atmosphere causes

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  11. Which of the following does not conlribute towards the formation or ph...

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  12. The aromatic compounds present as particulates are

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  13. Which of the following statements is false?

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  14. Which of the following is a sink for CO ?

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  15. Depletion of ozone layer causes

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  16. Which of the flollowing deplete ozonc layer?

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  17. UV radiation from sun causes a reaction That produces

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  18. Chlorofluorocarbon releases which of the following chemical harmful to...

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  19. Ozone hole refers to

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  20. Ozone layer of stratosphere requires protection from indiscriminate us...

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