Related Questions

Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere?
A Chlorofluorocarbons
B Nitrous oxide
C Sulphur dioxide
D Carbon dioxide
In the absence of ozone layer, which rays will enter into atmosphere?
A Infrared
B Visible
C Ultraviolet
D X-rays
Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ?
A Nitrous oxide
B Carbon dioxide
C Chlorofluorocarbon
D Sulphur dioxide
Ozone Umbrella is located in which layer of atmosphere
A Troposphere
B Stratosphere
C Mesosphere
D Ionosphere
Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate?
A CO
B SO2
C NOx
D CFC (chloro fluoro carbons)
Ozone layer prevents -- radiation from entering the atmosphere ?
A Ultraviolet
B Infra-red
C Gamma rays
D X-rays
In upper layer of atmosphere ozone is formed by
A The action of ultraviolet rays on oxygen
B The combination of oxygen molecules
C Subjecting oxygen to high pressure
D The action of nitrogen on oxygen in atmosphere
Ozone layer of atmosphere absorbs:
A Ultraviolet rays
B Infra-red rays
C All radiations of Light
D Cosmic rays.
CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozones.
A 102
B 105
C 109
D 1015
Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful
A Solar ultraviolet radiation
B Solar infrared radiation
C CO2 in the air
D SO2 in the air

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