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Ozone hole refers to...

Ozone hole refers to

A

Hole in ozone layer

B

Reduction in thickness of ozone layer in troposphere

C

Reduction in thickness of ozone layer in stratosphere

D

Increase in concentration of ozone

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The correct Answer is:
C
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AAKASH SERIES-ENVIRONMENTAL CHEMISTRY-LEVEL - I (EXERCISE -I) (Definition of terms , Introduction , Environmental segments - Air pollution , Water pollution)
  1. UV radiation from sun causes a reaction That produces

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

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  3. Ozone hole refers to

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

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  5. {:("List-I","List-2"),("(A) Major constituent",(I)O(2)" and water vapo...

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  6. Which of the following statements are true regarding photochemical smo...

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  7. (A) Acid rains have been reported in some places which are far away fr...

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  8. (A): Nowadays surface of the earth gets heated up. (R): CO2 and wate...

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  9. (A): Holes in ozone layer are observed at the north and the south pole...

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  10. (A): CO pollution is very high from 9AM to 10 AM in Urban areas (R):...

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  11. Tajmahal is effected by

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  12. (A): The pH of normal rain is 5.6. (R) CO2 present in atmosphere abs...

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  13. Poisonous gas present in the exhaust fumes of an automobile is

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  14. Which onc of the following is mainly responsible for the depletion of ...

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  15. CFCl3 is responsible for the decomposition of ozone to oxygen. Which o...

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  16. An object is located at a height of Skrn from the surface of the carth...

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  17. Identify the correct decreasing order of the following with respect to...

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  18. When organic subtances undergo anaerobic degradation the product forme...

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  19. The type of hybridisation of carbon atoms of the molecule of the gas i...

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  20. The non-viable particulate is among the following is

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