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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
How depletion of the ozone layer affect living organisms?
Why is damage to the ozone layer a cause for concern? What steps are being taken to limit this damage?
O2 is converted into O3 by the action of :
(a) infrared radiations
(b) ultraviolet radiations
(c) gamma radiations
(d) cosmic radiations
Which class of carbon compounds is responsible for the depletion of ozone layer at the higher level of the atmosphere?
Name the following pollutants:
Any two chemicals leading to the formation of ozone holes.
Ozone is abundant in this layer. Ozone heats this layer as it absorbs from incoming ultraviolet radiation from the sun:
Give balanced equations for formation of ozone molecules from oxygen molecules. What type of reaction takes place, during the formation.
Enumerate methods of protecting the ozone layer and preventing its depletion.
Which spectrum of the light harmful to organism: ____________.
State the essential function performed by ozone at the higher levels of the atmosphere.
