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प्रश्न
Give scientific reasons : Use of CFC is banned in many countries.
उत्तर
Chlorine from CFC breaks ozone molecules into oxygen and nascent oxygen, thereby depleting the ozone layer. This has made the ozone layer, which is important for the absorpion of solar UV rays, thinner making it disastrous for life on Earth. Hence, the use of CFC is banned in many countries.
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संबंधित प्रश्न
Define 'Greenhouse effect'.
What do you mean by greenhouse effect?
What would have been the temperature of earth's atmosphere in absence of green house gases in it?
State the effect of green house gases on the temperature of earth's atmosphere.
Choose the correct option.
________dioxide is a greenhouse gas.
Give the options for reducing green house gases by use of fuels better than fossil fuels.
Explain the term CFCs.
Name the chemicals which are used in refrigerators, air conditioners and damage ozone layer when released in air.
Name two gases which are mainly responsible for acid rain.
Assertion: Greenhouse gases maintain the temperature.
Reason: Greenhouse gases absorb infrared rays.
Answer:
