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प्रश्न
What is ozone?
उत्तर
Ozone is made up of three atoms of oxygen combined together. It is formed high up in the atmosphere by the action of ultraviolet (UV) radiation on oxygen gas. The UV radiation from the sun splits the oxygen gas into free oxygen atoms.
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संबंधित प्रश्न
Which radiations are absorbed by ozone layer?
What are the causes of depletion of ozone layer? Which diseases are likely to be caused if the ozone layer will become thinner?
How does ozone layer protect us from harmful effects in the environment?
Which pollutant released into the air during refrigeration and airconditioning is the greatest contributor to the depletion of ozone layer?
(a) BHC
(b) DDT
(c) CFC
(d) UNEP
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
Which compounds are responsible for the depletion of ozone layer?
Give scientific reasons:
Ozone present in the stratosphere is called as “good ozone”.
What would be the effects on widening of ozone hole?
Which of the following harmful radiation is absorbed by the ozone layer of the stratosphere?
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.
State the chemicals responsible for ozone layer destruction.
How is ozone formed in the upper atmosphere? State its importance. What is responsible for its depletion? Write one harmful effect of ozone depletion.
The chemicals leading to the formation of ozone holes.
What is an ozone layer. State the distribution of the ozone layer in the stratosphere.
Name or state the following:
An atmospheric pollutant responsible for both global warming and ozone depletion.
Depletion of ozone is mainly due to
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.
