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प्रश्न
Enumerate methods of protecting the ozone layer and preventing its depletion.
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उत्तर
Methods to protect ozone layer:
- By replacing CFC’s by alternative products and use of HCFC hydochloro fluoro carbons.
- International treaty [Montreal protocol] was also initiated to prevent ozone depletion.
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संबंधित प्रश्न
Ozone depletion is occurring widely in the stratosphere; it leads to an ozone hole caused mainly due to ______.
The harmful radiations absorbed by the ozone layer are ______.
Name the group of chemical compounds which damages the ozone layer.
Give one harmful effect of CFC.
‘There is a hole in the ozone layer’. What do you understand by this?
Is ozone depletion related to global warming?
Name the chemicals responsible for destruction of the ozone layer. State the main chemical from these chemicals, which is responsible for more than 80% ozone depletion.
Long answer type question
Montreal protocol is an essential step. Why is it so?
The substance which is chiefly responsible for the depletion of ozone layer is ______.
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.
