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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.
What would happen if the ozone layer in the atmosphere completely disappears?
How Ozone is Formed?
O2 is converted into O3 by the action of :
(a) infrared radiations
(b) ultraviolet radiations
(c) gamma radiations
(d) cosmic radiations
‘There is a hole in the ozone layer’. What do you understand by this?
Fill in the Blanks:
The ______ is the layer of the atmosphere that contains the protective ozone layer
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:
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
______ was signed in 1987 to control emission of ozone depleting substances.
