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प्रश्न
Give reason for the following:
The formation of ozone involves a chemical reaction called photolysis.
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उत्तर
With the help of UV rays
O2 molecule breaks into two oxygen atoms called photolysis.
\[\ce{O2 ->[UV][light] [O] + [O]}\]
Now more of O2 molecule combine with [O]
O2 + [O] → O3 ozone
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संबंधित प्रश्न
How depletion of the ozone layer affect living organisms?
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
The excessive exposure of humans to ultraviolet rays results in:
- damage to immune system
- damage to lungs
- skin cancer
- peptic ulcers
State the chemicals responsible for ozone layer destruction.
‘There is a hole in the ozone layer’. What do you understand by this?
What is Ozone?
True or False:
Ozone in the Troposphere is a harmful pollutant.
Ozone is abundant in this layer. Ozone heats this layer as it absorbs from incoming ultraviolet radiation from the sun:
Name or state the following:
An atmospheric pollutant responsible for both global warming and ozone depletion.
What is exactly measured in Dobson units or DU?
