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प्रश्न
Give Technical Terms:
The chemicals leading to the formation of ozone holes.
उत्तर
Chlorofluorocarbons (CFCs)
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संबंधित प्रश्न
How does ozone layer protect us from harmful effects in the environment?
What step has been taken by UNEP in 1987 to prevent too much damage to the ozone layer?
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 |
Discuss in detail the process of ozone depletion.
Which Gas is present in large amount in the upper part of stratosphere.
Give balanced equations for formation of ozone molecules from oxygen molecules. What type of reaction takes place, during the formation.
Name or state the following:
An atmospheric pollutant responsible for both global warming and ozone depletion.
In 1987, the United Nations Environment Programme (UNEP) forged an agreement to freeze the production of a certain chemical to the year 1986 level. Name the chemical and the manufacturing companies m which this chemical was being mostly used.
In what way this chemical damage -
- the upper layers of the atmosphere and ultimately
- the organisms on the earth.
Why was there a sharp in the amount of ozone in the atmosphere in 1980's.
