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प्रश्न
Name the following pollutants:
Any two chemicals leading to the formation of ozone holes.
उत्तर
- Bromochlorodifluoromethane
- chlorofluoromethane
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संबंधित प्रश्न
Give one harmful effect of CFC.
What is UNEP?
The depletion of ozone layer in the upper atmosphere is mainly due to the emission of :
(a) unburnt hydrocarbons
(b) chlorofluorocarbons
(c) greenhouse gases
(d) ultraviolet radiations
Depletion of ozone in the ozone layer is a cause for our worry. Why?
Which class of carbon compounds is responsible for the depletion of ozone layer at the higher level of the atmosphere?
Which compounds are responsible for the depletion of ozone layer?
Which of the following harmful radiation is absorbed by the ozone layer of the stratosphere?
Which Gas is present in large amount in the upper part of stratosphere.
Enumerate methods of protecting the ozone layer and preventing its depletion.
Gas A, found in the upper layers of the atmosphere, is a deadly poison but is essential for all living beings. The amount of this gas started declining sharply in the 1980s.
- Identify Gas A. How is it formed at higher levels of the atmosphere?
- Why is it essential for all living beings? State the cause for the depletion of this gas.
