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प्रश्न
Name the following pollutants:
Any two chemicals leading to the formation of ozone holes.
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उत्तर
- Bromochlorodifluoromethane
- chlorofluoromethane
संबंधित प्रश्न
How does ozone affect any ecosystem?
With the help of a flow diagram, describe how energy from the sun flows through various trophic levels.
Which pollutant released into the air during refrigeration and airconditioning is the greatest contributor to the depletion of ozone layer?
(a) BHC
(b) DDT
(c) CFC
(d) UNEP
How is ozone formed in the higher level of atmosphere?
Which of the following harmful radiation is absorbed by the ozone layer of the stratosphere?
Match the items in column I with the closely related ones in column II.
| Column l | Column lI | ||
| (i) | Chlorofluorocarbons (CFCs) | (a) | Global warming |
| (ii) | Fly ash | (b) | Biodegradable |
| (iii) | Cow dung | (c) | Nuclear radiation pollutant |
| (iv) | CO2 and methane | (d) | Acid rain |
| (v) | Sulphur dioxide | (e) | Industrial waste |
| (vi) | Iodine-131 | (f) | Ozone depletion |
The chemicals leading to the formation of ozone holes.
Select the correct answer from the following statement:
The gas which in presence of U.V. light gives two atoms of the same gas.
Depletion of ozone is mainly due to
Why is ozone layer getting depleted at the higher levels of the atmosphere? Mention one harmful effect caused by its depletion.
