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प्रश्न
State two effects of ozone depletion.
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उत्तर
Effects of ozone depletion:
- UV rays of the Sun reach Earth and cause sunburn, premature ageing of the skin and skin cancer.
- The UV radiation can also damage several parts of the eyes, including the lens, cornea, retina, and conjunctiva.
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संबंधित प्रश्न
The prime source of chlorofluorocarbons is ______.
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
Briefly explain depletion of ozone layer and its effects.
State the role of chlorofluorocarbons in ozone destruction or depletion [no equations required].
State how CFCs break ozone in the stratosphere.
Give balanced equation for the following conversion [one or two steps].
Oxygen to ozone gas by photolysis.
Give reason for the following:
The formation of ozone involves a chemical reaction called photolysis.
The substance which is chiefly responsible for the depletion of ozone layer is ______.
In 1987, an agreement was formulated by the United Nations Environment Programme (UNEP) to freeze the production of “X” to prevent the depletion of “Y”. “X” and “Y” respectively referred to here are ______.
