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Which of the following is responsible fo...

Which of the following is responsible for depletion of the ozone layer in the upper strata of the atmosphere :-

A

Polyhalogens

B

Ferrocene

C

Fullerenes

D

Freons

Text Solution

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The correct Answer is:
D
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VK JAISWAL ENGLISH-ENVIRONMENTAL CHEMISTRY-Level 2
  1. The smog is essentially caused by the presence of:

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  2. Ozone in stratosphere is depleted by:

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  3. Which of the following is responsible for depletion of the ozone layer...

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  4. Identify the wrong statements in the following:

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  5. Identify the wrong statements in the following:

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  6. What is DDT among the following :

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  7. The gas leaked from a storage tank of the Union Carbide plant in Bhopa...

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  8. Which of the following gases is not green house gas ?

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  9. Photochemical smog occurs in warm, dry and sunny climate, One of the f...

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  10. Which of the following statements is not true about classical smog ?

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  11. Biochemical Oxygen Demand, (BOD) is a measure of organic material pres...

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  12. Which of the following statements is wrong?

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  13. Sewage containing organic waste should not be disposed in water bodies...

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  14. Which of the following statement about photochemical smog is wrong ?

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  15. The gaseous envelope around the earth is known as atmosphere. The lowe...

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  16. Dinitrogen and dioxygen are main constituents of air but these do not ...

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  17. The pollutants which come directly in the air from sources are called...

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  18. Which of the following statement is correct?

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  19. Which of the following practices will not come under green chemistry?

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  20. Which of the following acts as rocket propellants?

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