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प्रश्न
Which pollutant released into the air during refrigeration and airconditioning is the greatest contributor to the depletion of ozone layer?
(a) BHC
(b) DDT
(c) CFC
(d) UNEP
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उत्तर
CFC
Chlorofluorocarbons (CFCs) are released into the air during refrigeration and air conditioning and are the greatest contributor to the depletion of the ozone layer.
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संबंधित प्रश्न
Ozone depletion is occurring widely in the stratosphere; it leads to an ozone hole caused mainly due to ______.
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?
Give scientific reasons:
Ozone present in the stratosphere is called as “good ozone”.
Name the following pollutants:
Any two chemicals leading to the formation of ozone holes.
Describe the methods of saving the ozone layer.
Ozone is abundant in this layer. Ozone heats this layer as it absorbs from incoming ultraviolet radiation from the sun:
What is an ozone layer. State the distribution of the ozone layer in the stratosphere.
Give balanced equations for formation of ozone molecules from oxygen molecules. What type of reaction takes place, during the formation.
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.
Enumerate methods of protecting the ozone layer and preventing its depletion.
State how CFCs break ozone in the stratosphere.
Give reason for the following:
Destruction of ozone layer is harmful for both humans and plants.
Name or state the following:
An atmospheric pollutant responsible for both global warming and ozone depletion.
The problem caused due to ozone hole is ______.
Acid rain is caused by the oxides of ______.
Depletion of ozone is mainly due to
Why is ozone layer getting depleted at the higher levels of the atmosphere? Mention one harmful effect caused by its depletion.
Write the full form of CFCs.
Which one of the following is measured in Dobson units (DU)?
