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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
What is the function of ozone in the upper atmosphere?
The prime source of chlorofluorocarbons is ______.
What are the causes of depletion of ozone layer? Which diseases are likely to be caused if the ozone layer will become thinner?
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
O2 is converted into O3 by the action of :
(a) infrared radiations
(b) ultraviolet radiations
(c) gamma radiations
(d) cosmic radiations
State the role of chlorofluorocarbons in ozone destruction or depletion [no equations required].
Give reason for the following:
Destruction of ozone layer is harmful for both humans and plants.
Very short answer type question
Where was the ozone hole discovered?
______ was signed in 1987 to control emission of ozone depleting substances.
State the essential function performed by ozone at the higher levels of the atmosphere.
