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प्रश्न
______ was signed in 1987 to control emission of ozone depleting substances.
To control emission of ozone-depleting substances International Treaty was signed in 1987.
पर्याय
Kyoto protocol
Montreal protocol
Nagoya protocol
Cartagena protocol
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उत्तर
Montreal protocol was signed in 1987 to control emission of ozone depleting substances.
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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?
Name the group of chemical compounds which damages the ozone layer.
Write the full name of CFC.
With the help of a flow diagram, describe how energy from the sun flows through various trophic levels.
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 of the following harmful radiation is absorbed by the ozone layer of the stratosphere?
Discuss in detail the process of ozone depletion.
Fill in the Blanks:
______ is manmade compounds that have been widely used as refrigerants and in spray propellants and foam blowing.
Give balanced equation for the following conversion [one or two steps].
Oxygen to ozone gas by photolysis.
