Atmospheric Pollution
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CHXI14:ENVIRONMENTAL CHEMISTRY

318404 Pollution of air due to industries, is minimised by

1 The use of unleaded petrol in automobiles
2 Applying Nalgonda technique
3 Legislation only
4 All the three
CHXI14:ENVIRONMENTAL CHEMISTRY

318405 Trapping of reflected heat radiation by atmospheric dust, water vapour, ozone, CO2 etc. is known as

1 Radioactive effect
2 Ozone layer effect
3 Solar effect
4 Green house effect
CHXI14:ENVIRONMENTAL CHEMISTRY

318407 The incorrect statement among the following is

1 Primary pollutants are those which are emitted directly from the source.
2 Secondary pollutants are those which are formed in the atmosphere by chemical interactions among primary pollutants and atmospheric constituents.
3 Acid rain is primary pollutant.
4 Particulates refer to all atmospheric substances that are not gases.
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CHXI14:ENVIRONMENTAL CHEMISTRY

318404 Pollution of air due to industries, is minimised by

1 The use of unleaded petrol in automobiles
2 Applying Nalgonda technique
3 Legislation only
4 All the three
CHXI14:ENVIRONMENTAL CHEMISTRY

318405 Trapping of reflected heat radiation by atmospheric dust, water vapour, ozone, CO2 etc. is known as

1 Radioactive effect
2 Ozone layer effect
3 Solar effect
4 Green house effect
CHXI14:ENVIRONMENTAL CHEMISTRY

318406 The correct statements among the following is
(I) Winter smog is oxidizing in nature due to presence of particulate carbon and SO2
(II) The pollutant obtained from emission tubes of diesel engines is benzopyrene
(III) Photochemical smog is made up of PAN,O3 and oxides of nitrogen
(Iv) CFCs are stable in troposphere and act as pollutants in stratosphere.

1 (I) and (II)
2 (I), (III) and (Iv)
3 (I), (II) and (III)
4 (II), (III) and (Iv)
CHXI14:ENVIRONMENTAL CHEMISTRY

318407 The incorrect statement among the following is

1 Primary pollutants are those which are emitted directly from the source.
2 Secondary pollutants are those which are formed in the atmosphere by chemical interactions among primary pollutants and atmospheric constituents.
3 Acid rain is primary pollutant.
4 Particulates refer to all atmospheric substances that are not gases.
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CHXI14:ENVIRONMENTAL CHEMISTRY

318404 Pollution of air due to industries, is minimised by

1 The use of unleaded petrol in automobiles
2 Applying Nalgonda technique
3 Legislation only
4 All the three
CHXI14:ENVIRONMENTAL CHEMISTRY

318405 Trapping of reflected heat radiation by atmospheric dust, water vapour, ozone, CO2 etc. is known as

1 Radioactive effect
2 Ozone layer effect
3 Solar effect
4 Green house effect
CHXI14:ENVIRONMENTAL CHEMISTRY

318406 The correct statements among the following is
(I) Winter smog is oxidizing in nature due to presence of particulate carbon and SO2
(II) The pollutant obtained from emission tubes of diesel engines is benzopyrene
(III) Photochemical smog is made up of PAN,O3 and oxides of nitrogen
(Iv) CFCs are stable in troposphere and act as pollutants in stratosphere.

1 (I) and (II)
2 (I), (III) and (Iv)
3 (I), (II) and (III)
4 (II), (III) and (Iv)
CHXI14:ENVIRONMENTAL CHEMISTRY

318407 The incorrect statement among the following is

1 Primary pollutants are those which are emitted directly from the source.
2 Secondary pollutants are those which are formed in the atmosphere by chemical interactions among primary pollutants and atmospheric constituents.
3 Acid rain is primary pollutant.
4 Particulates refer to all atmospheric substances that are not gases.
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CHXI14:ENVIRONMENTAL CHEMISTRY

318404 Pollution of air due to industries, is minimised by

1 The use of unleaded petrol in automobiles
2 Applying Nalgonda technique
3 Legislation only
4 All the three
CHXI14:ENVIRONMENTAL CHEMISTRY

318405 Trapping of reflected heat radiation by atmospheric dust, water vapour, ozone, CO2 etc. is known as

1 Radioactive effect
2 Ozone layer effect
3 Solar effect
4 Green house effect
CHXI14:ENVIRONMENTAL CHEMISTRY

318406 The correct statements among the following is
(I) Winter smog is oxidizing in nature due to presence of particulate carbon and SO2
(II) The pollutant obtained from emission tubes of diesel engines is benzopyrene
(III) Photochemical smog is made up of PAN,O3 and oxides of nitrogen
(Iv) CFCs are stable in troposphere and act as pollutants in stratosphere.

1 (I) and (II)
2 (I), (III) and (Iv)
3 (I), (II) and (III)
4 (II), (III) and (Iv)
CHXI14:ENVIRONMENTAL CHEMISTRY

318407 The incorrect statement among the following is

1 Primary pollutants are those which are emitted directly from the source.
2 Secondary pollutants are those which are formed in the atmosphere by chemical interactions among primary pollutants and atmospheric constituents.
3 Acid rain is primary pollutant.
4 Particulates refer to all atmospheric substances that are not gases.