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प्रश्न
Name the following pollutants:
Any two chemicals leading to the formation of ozone holes.
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उत्तर
- Bromochlorodifluoromethane
- chlorofluoromethane
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संबंधित प्रश्न
Give one harmful effect of CFC.
Explain how, harmful ultraviolet radiations of sunlight are prevented from reaching the earth's surface.
What is ozone?
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
Which class of carbon compounds is responsible for the depletion of ozone layer at the higher level of the atmosphere?
Explain ozone layer, its depletion and effects of ozone depletion.
‘There is a hole in the ozone layer’. What do you understand by this?
Name or state the following:
The atom which reacts with oxygen to form ozone.
Which of the following may be a conclusion of the excessive exposure of humans to sun’s ultraviolet rays?
- Peptic ulcers
- Eye disease like cataract
- Damage to lungs
- Skin cancer
Why is ozone layer getting depleted at the higher levels of the atmosphere? Mention one harmful effect caused by its depletion.
