Related Questions

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)
From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm.
A 1
B 5
C 50
D 500
Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes
A Fading of dyes on textiles
B Corrosion, tarnishing & soiling of metals
C Reduced strength of textiles
D All of the above
Which of the following gases are mainly responsible for the atmospheric greenhouse effect in the earth's atmosphere?
A Oxygen and nitrogen
B Nitrogen and carbon dioxide
C Ozone and oxygen
D Water vapor and carbon dioxide
Boiling temperature of carbon dioxide at atmospheric pressure is __________ °C.
A -30.5
B -78.5
C -183.5
D -10.5
Higher concentration of nitrogen dioxide in atmosphere air causes
A Cancer
B Bronchitis
C Asphyxiation
D Corrosion
which of the following countries is the world's largest emitter of carbon dioxide in the atmosphere?
A China
B Japan
C America
D India
Increase in carbon dioxide in atmosphere causes ________
A Rise in earth temperature
B Fall in earth temperature
C Uniform earth temperature
D Increase in Ultraviolet rays
Excess carbon dioxide in the atmosphere due to pollution will cause
A Earth's temperature to rise
B Earth's temperature to fall
C No change in earth's temperature
D Increase in ultra-violet radiation reaching the earth
Which of the following processes acts to remove carbon dioxide from the atmosphere?
A Lightning
B Deforestation
C Photosynthesis
D Burning fossil fuels

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