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प्रश्न
Fill in the Blanks:
______ is manmade compounds that have been widely used as refrigerants and in spray propellants and foam blowing.
उत्तर
Chlorofluorocarbons is manmade compounds that have been widely used as refrigerants and in spray propellants and foam blowing.
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संबंधित प्रश्न
Why is damage to the ozone layer a cause for concern? What steps are being taken to limit this damage?
O2 is converted into O3 by the action of :
(a) infrared radiations
(b) ultraviolet radiations
(c) gamma radiations
(d) cosmic radiations
Which of the following harmful radiation is absorbed by the ozone layer of the stratosphere?
State the chemicals responsible for ozone layer destruction.
Is ozone depletion related to global warming?
What is an ozone layer. State the distribution of the ozone layer in the stratosphere.
Bad ozone is present in ______
In 1987, the United Nations Environment Programme (UNEP) forged an agreement to freeze the production of a certain chemical to the year 1986 level. Name the chemical and the manufacturing companies m which this chemical was being mostly used.
In what way this chemical damage -
- the upper layers of the atmosphere and ultimately
- the organisms on the earth.
State the essential function performed by ozone at the higher levels of the atmosphere.
What is exactly measured in Dobson units or DU?
