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प्रश्न
Name the following pollutants:
Any two chemicals leading to the formation of ozone holes.
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उत्तर
- Bromochlorodifluoromethane
- chlorofluoromethane
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संबंधित प्रश्न
Give one harmful effect of CFC.
How does ozone layer protect us from harmful effects in the environment?
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
How is ozone formed in the upper atmosphere? State its importance. What is responsible for its depletion? Write one harmful effect of ozone depletion.
Discuss in detail the process of ozone depletion.
Give Technical Terms:
The chemicals leading to the formation of ozone holes.
True or False:
Ozone in the Troposphere is a harmful pollutant.
Name or state the following:
The atom which reacts with oxygen to form ozone.
Acid rain is caused by the oxides of ______.
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.
