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प्रश्न
Match the items in column I with the closely related ones in column II.
| Column I | Column II | ||
| (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 I | Column II | ||
| (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
The harmful radiations absorbed by the ozone layer are ______.
Give one harmful effect of CFC.
Explain how, harmful ultraviolet radiations of sunlight are prevented from reaching the earth's surface.
Which compounds are responsible for the depletion of ozone layer?
Why is ozone layer called ozone umbrella/shield?
Which Gas is present in large amount in the upper part of stratosphere.
How is the ‘ozone oxygen cycle’ maintained in the stratosphere and state what disturbs the balance, resulting in ozone depletion or destruction, Give balanced equation for the same.
Give reason for the following:
The formation of ozone involves a chemical reaction called photolysis.
The substance which is chiefly responsible for the depletion of ozone layer is ______.
A motor car, with its glass totally closed, is parked directly under the sun. The inside temperature of the car rises very high. Explain why?
