Atmospheric Pollution
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CHXI14:ENVIRONMENTAL CHEMISTRY

318421 Assertion :
The temperature in the thermosphere increases with altitude.
Reason :
Ozone present in stratosphere absorbs ultraviolet radiation

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI14:ENVIRONMENTAL CHEMISTRY

318422 Among the following statements, one that is not correct about polar stratospheric clouds (PSCs) is

1 Type I clouds are formed at about \(-77^{\circ} \mathrm{C}\) and contain solid \(\mathrm{HNO}_{3} .3 \mathrm{H}_{2} \mathrm{O}\).
2 Type II clouds are formed at about \(-95^{\circ} \mathrm{C}\) and contain some ice.
3 A tight whirlpool of wind called Polar Vortex is formed which surrounds Antartica.
4 PSCs do not react with chlorine nitrate and \(\mathrm{HCl}\).
CHXI14:ENVIRONMENTAL CHEMISTRY

318423 Which of the following chemical, harmful to ozone, is released by chlorofluro carbon?

1 Sulphur dioxide
2 Fluorine
3 Chlorine
4 Nitrogen dioxide
CHXI14:ENVIRONMENTAL CHEMISTRY

318424 The pollutants chlorofluorocarbons are major source of air pollution contributed by

1 Sewage pollutants
2 Aerosols
3 Industrial effluents
4 All of the above
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CHXI14:ENVIRONMENTAL CHEMISTRY

318421 Assertion :
The temperature in the thermosphere increases with altitude.
Reason :
Ozone present in stratosphere absorbs ultraviolet radiation

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI14:ENVIRONMENTAL CHEMISTRY

318422 Among the following statements, one that is not correct about polar stratospheric clouds (PSCs) is

1 Type I clouds are formed at about \(-77^{\circ} \mathrm{C}\) and contain solid \(\mathrm{HNO}_{3} .3 \mathrm{H}_{2} \mathrm{O}\).
2 Type II clouds are formed at about \(-95^{\circ} \mathrm{C}\) and contain some ice.
3 A tight whirlpool of wind called Polar Vortex is formed which surrounds Antartica.
4 PSCs do not react with chlorine nitrate and \(\mathrm{HCl}\).
CHXI14:ENVIRONMENTAL CHEMISTRY

318423 Which of the following chemical, harmful to ozone, is released by chlorofluro carbon?

1 Sulphur dioxide
2 Fluorine
3 Chlorine
4 Nitrogen dioxide
CHXI14:ENVIRONMENTAL CHEMISTRY

318424 The pollutants chlorofluorocarbons are major source of air pollution contributed by

1 Sewage pollutants
2 Aerosols
3 Industrial effluents
4 All of the above
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CHXI14:ENVIRONMENTAL CHEMISTRY

318421 Assertion :
The temperature in the thermosphere increases with altitude.
Reason :
Ozone present in stratosphere absorbs ultraviolet radiation

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI14:ENVIRONMENTAL CHEMISTRY

318422 Among the following statements, one that is not correct about polar stratospheric clouds (PSCs) is

1 Type I clouds are formed at about \(-77^{\circ} \mathrm{C}\) and contain solid \(\mathrm{HNO}_{3} .3 \mathrm{H}_{2} \mathrm{O}\).
2 Type II clouds are formed at about \(-95^{\circ} \mathrm{C}\) and contain some ice.
3 A tight whirlpool of wind called Polar Vortex is formed which surrounds Antartica.
4 PSCs do not react with chlorine nitrate and \(\mathrm{HCl}\).
CHXI14:ENVIRONMENTAL CHEMISTRY

318423 Which of the following chemical, harmful to ozone, is released by chlorofluro carbon?

1 Sulphur dioxide
2 Fluorine
3 Chlorine
4 Nitrogen dioxide
CHXI14:ENVIRONMENTAL CHEMISTRY

318424 The pollutants chlorofluorocarbons are major source of air pollution contributed by

1 Sewage pollutants
2 Aerosols
3 Industrial effluents
4 All of the above
Join With Us for More Updates
CHXI14:ENVIRONMENTAL CHEMISTRY

318421 Assertion :
The temperature in the thermosphere increases with altitude.
Reason :
Ozone present in stratosphere absorbs ultraviolet radiation

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI14:ENVIRONMENTAL CHEMISTRY

318422 Among the following statements, one that is not correct about polar stratospheric clouds (PSCs) is

1 Type I clouds are formed at about \(-77^{\circ} \mathrm{C}\) and contain solid \(\mathrm{HNO}_{3} .3 \mathrm{H}_{2} \mathrm{O}\).
2 Type II clouds are formed at about \(-95^{\circ} \mathrm{C}\) and contain some ice.
3 A tight whirlpool of wind called Polar Vortex is formed which surrounds Antartica.
4 PSCs do not react with chlorine nitrate and \(\mathrm{HCl}\).
CHXI14:ENVIRONMENTAL CHEMISTRY

318423 Which of the following chemical, harmful to ozone, is released by chlorofluro carbon?

1 Sulphur dioxide
2 Fluorine
3 Chlorine
4 Nitrogen dioxide
CHXI14:ENVIRONMENTAL CHEMISTRY

318424 The pollutants chlorofluorocarbons are major source of air pollution contributed by

1 Sewage pollutants
2 Aerosols
3 Industrial effluents
4 All of the above
For More Updates join with Us