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प्रश्न
State the role of chlorofluorocarbons in ozone destruction or depletion [no equations required].
उत्तर
Roll of chlorofluorocarbons in ozone destruction : Chlorofluorocarbons are decomed by U.R. rays and liberate highly reactive free CF radical. This free ladical reacts with ozone to form Cl0[g]. This causes ozone depletion. The Cl free radicals initiate and catalyse a chain reaction – capable of breakdown of over 1,00,000 ozone molecules resulting in ozone depletion.
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संबंधित प्रश्न
Explain how, harmful ultraviolet radiations of sunlight are prevented from reaching the earth's surface.
What are the causes of depletion of ozone layer? Which diseases are likely to be caused if the ozone layer will become thinner?
What would happen if the ozone layer in the atmosphere completely disappears?
What is UNEP?
The following picture depicts a certain phenomenon
- Name the phenomenon and explain it.
- Enlist the sources that are responsible for the above mentioned phenomenon.
- List out the effects of the above phenomenon on humans.
What is the difference between stratospheric and ground level ozone?
What is an ozone layer. State the distribution of the ozone layer in the stratosphere.
Give balanced equation for the following conversion [one or two steps].
Oxygen to ozone gas by photolysis.
Gas A, found in the upper layers of the atmosphere, is a deadly poison but is essential for all living beings. The amount of this gas started declining sharply in the 1980s.
- Identify Gas A. How is it formed at higher levels of the atmosphere?
- Why is it essential for all living beings? State the cause for the depletion of this gas.
Write the full form of CFCs.
