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प्रश्न
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 |
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उत्तर
| Column l | Column ll | ||
| (i) | Chlorofluorocarbons (CFCs) | (f) | Ozone depletion |
| (ii) | Fly ash | (e) | Industrial waste |
| (iii) | Cow dung | (b) | Biodegradable |
| (iv) | CO2 and methane | (a) | Global warming |
| (v) | Sulphur dioxide | (d) | Acid rain |
| (vi) | Iodine-131 | (c) | Nuclear radiation pollutant |
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संबंधित प्रश्न
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Name the group of chemical compounds which damages the ozone layer.
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What step has been taken by UNEP in 1987 to prevent too much damage to the ozone layer?
Enumerate methods of protecting the ozone layer and preventing its depletion.
Select the correct answer from the following statement:
The gas which in presence of U.V. light gives two atoms of the same gas.
Very short answer type question
Where was the ozone hole discovered?
Long answer type question
Montreal protocol is an essential step. Why is it so?
Why is ozone layer getting depleted at the higher levels of the atmosphere? Mention one harmful effect caused by its depletion.
Which one of the following is measured in Dobson units (DU)?
