Atmospheric Pollution
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CHXI14:ENVIRONMENTAL CHEMISTRY

318391 Presence of which fuel gas in the exhaust fumes
shows incomplete combustion of fuel.

1 Sulphur dioxide
2 Carbon monoxide and water vapour
3 Carbon monoxide
4 Nitrogen dioxide
CHXI14:ENVIRONMENTAL CHEMISTRY

318392 How many gaseous species are present in mesosphere and thermosphere?
\[\begin{array}{l}
({\rm{I}}){{\rm{O}}_{\rm{2}}}^ \oplus {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,({\rm{II}}){{\rm{O}}_{\rm{2}}}^{{\rm{2}} - }\\
({\rm{III}}){{\rm{O}}_{\rm{2}}}^ \ominus \,\,\,\,({\rm{IV}}){\rm{N}}{{\rm{O}}^ \oplus }\\
({\rm{v}}){{\rm{N}}_{\rm{2}}}^ \oplus \,\,\,\,\,\,({\rm{VI}}){\rm{Atoms}}{\mkern 1mu} {\mkern 1mu} {\rm{of}}\,{\rm{C}}\\
({\rm{VII}}){{\rm{O}}^ \oplus }\,\,\,({\rm{VIII}}){\rm{Atoms}}\,{\rm{of}}\,{\mkern 1mu} {\rm{N}}\\
{\rm{(IX}}){\rm{Atoms}}\,{\mkern 1mu} {\rm{of}}\,{\mkern 1mu} {\rm{S}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \\
({\rm{X}}){\rm{Atoms}}{\mkern 1mu} \,{\rm{of}}\,{\rm{O}}
\end{array}\]

1 3
2 6
3 7
4 1
CHXI14:ENVIRONMENTAL CHEMISTRY

318393 Identify the wrong statement in the following:

1 Chloroflurocarbons are responsible for ozone layer depletion
2 Greenhouse effect is responsible for global warming
3 Ozone layer does not permit infrared radiation from the sun to reach the earth
4 Acid rain is mostly because of oxides of nitrogen and sulphur
CHXI14:ENVIRONMENTAL CHEMISTRY

318394 Pick up the correct statement

1 CO which is major pollutant resulting from the combustion of fuels in automobiles plays a major role in photochemical smog
2 Classical smog has an oxidizing character while the photochemical smog is reducing in character
3 Photochemical smog occurs in day time whereas the classical smog occurs in early morning hours
4 During formation of smog the level of ozone in the atmosphere goes down
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CHXI14:ENVIRONMENTAL CHEMISTRY

318391 Presence of which fuel gas in the exhaust fumes
shows incomplete combustion of fuel.

1 Sulphur dioxide
2 Carbon monoxide and water vapour
3 Carbon monoxide
4 Nitrogen dioxide
CHXI14:ENVIRONMENTAL CHEMISTRY

318392 How many gaseous species are present in mesosphere and thermosphere?
\[\begin{array}{l}
({\rm{I}}){{\rm{O}}_{\rm{2}}}^ \oplus {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,({\rm{II}}){{\rm{O}}_{\rm{2}}}^{{\rm{2}} - }\\
({\rm{III}}){{\rm{O}}_{\rm{2}}}^ \ominus \,\,\,\,({\rm{IV}}){\rm{N}}{{\rm{O}}^ \oplus }\\
({\rm{v}}){{\rm{N}}_{\rm{2}}}^ \oplus \,\,\,\,\,\,({\rm{VI}}){\rm{Atoms}}{\mkern 1mu} {\mkern 1mu} {\rm{of}}\,{\rm{C}}\\
({\rm{VII}}){{\rm{O}}^ \oplus }\,\,\,({\rm{VIII}}){\rm{Atoms}}\,{\rm{of}}\,{\mkern 1mu} {\rm{N}}\\
{\rm{(IX}}){\rm{Atoms}}\,{\mkern 1mu} {\rm{of}}\,{\mkern 1mu} {\rm{S}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \\
({\rm{X}}){\rm{Atoms}}{\mkern 1mu} \,{\rm{of}}\,{\rm{O}}
\end{array}\]

1 3
2 6
3 7
4 1
CHXI14:ENVIRONMENTAL CHEMISTRY

318393 Identify the wrong statement in the following:

1 Chloroflurocarbons are responsible for ozone layer depletion
2 Greenhouse effect is responsible for global warming
3 Ozone layer does not permit infrared radiation from the sun to reach the earth
4 Acid rain is mostly because of oxides of nitrogen and sulphur
CHXI14:ENVIRONMENTAL CHEMISTRY

318394 Pick up the correct statement

1 CO which is major pollutant resulting from the combustion of fuels in automobiles plays a major role in photochemical smog
2 Classical smog has an oxidizing character while the photochemical smog is reducing in character
3 Photochemical smog occurs in day time whereas the classical smog occurs in early morning hours
4 During formation of smog the level of ozone in the atmosphere goes down
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CHXI14:ENVIRONMENTAL CHEMISTRY

318391 Presence of which fuel gas in the exhaust fumes
shows incomplete combustion of fuel.

1 Sulphur dioxide
2 Carbon monoxide and water vapour
3 Carbon monoxide
4 Nitrogen dioxide
CHXI14:ENVIRONMENTAL CHEMISTRY

318392 How many gaseous species are present in mesosphere and thermosphere?
\[\begin{array}{l}
({\rm{I}}){{\rm{O}}_{\rm{2}}}^ \oplus {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,({\rm{II}}){{\rm{O}}_{\rm{2}}}^{{\rm{2}} - }\\
({\rm{III}}){{\rm{O}}_{\rm{2}}}^ \ominus \,\,\,\,({\rm{IV}}){\rm{N}}{{\rm{O}}^ \oplus }\\
({\rm{v}}){{\rm{N}}_{\rm{2}}}^ \oplus \,\,\,\,\,\,({\rm{VI}}){\rm{Atoms}}{\mkern 1mu} {\mkern 1mu} {\rm{of}}\,{\rm{C}}\\
({\rm{VII}}){{\rm{O}}^ \oplus }\,\,\,({\rm{VIII}}){\rm{Atoms}}\,{\rm{of}}\,{\mkern 1mu} {\rm{N}}\\
{\rm{(IX}}){\rm{Atoms}}\,{\mkern 1mu} {\rm{of}}\,{\mkern 1mu} {\rm{S}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \\
({\rm{X}}){\rm{Atoms}}{\mkern 1mu} \,{\rm{of}}\,{\rm{O}}
\end{array}\]

1 3
2 6
3 7
4 1
CHXI14:ENVIRONMENTAL CHEMISTRY

318393 Identify the wrong statement in the following:

1 Chloroflurocarbons are responsible for ozone layer depletion
2 Greenhouse effect is responsible for global warming
3 Ozone layer does not permit infrared radiation from the sun to reach the earth
4 Acid rain is mostly because of oxides of nitrogen and sulphur
CHXI14:ENVIRONMENTAL CHEMISTRY

318394 Pick up the correct statement

1 CO which is major pollutant resulting from the combustion of fuels in automobiles plays a major role in photochemical smog
2 Classical smog has an oxidizing character while the photochemical smog is reducing in character
3 Photochemical smog occurs in day time whereas the classical smog occurs in early morning hours
4 During formation of smog the level of ozone in the atmosphere goes down
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CHXI14:ENVIRONMENTAL CHEMISTRY

318391 Presence of which fuel gas in the exhaust fumes
shows incomplete combustion of fuel.

1 Sulphur dioxide
2 Carbon monoxide and water vapour
3 Carbon monoxide
4 Nitrogen dioxide
CHXI14:ENVIRONMENTAL CHEMISTRY

318392 How many gaseous species are present in mesosphere and thermosphere?
\[\begin{array}{l}
({\rm{I}}){{\rm{O}}_{\rm{2}}}^ \oplus {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,({\rm{II}}){{\rm{O}}_{\rm{2}}}^{{\rm{2}} - }\\
({\rm{III}}){{\rm{O}}_{\rm{2}}}^ \ominus \,\,\,\,({\rm{IV}}){\rm{N}}{{\rm{O}}^ \oplus }\\
({\rm{v}}){{\rm{N}}_{\rm{2}}}^ \oplus \,\,\,\,\,\,({\rm{VI}}){\rm{Atoms}}{\mkern 1mu} {\mkern 1mu} {\rm{of}}\,{\rm{C}}\\
({\rm{VII}}){{\rm{O}}^ \oplus }\,\,\,({\rm{VIII}}){\rm{Atoms}}\,{\rm{of}}\,{\mkern 1mu} {\rm{N}}\\
{\rm{(IX}}){\rm{Atoms}}\,{\mkern 1mu} {\rm{of}}\,{\mkern 1mu} {\rm{S}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \\
({\rm{X}}){\rm{Atoms}}{\mkern 1mu} \,{\rm{of}}\,{\rm{O}}
\end{array}\]

1 3
2 6
3 7
4 1
CHXI14:ENVIRONMENTAL CHEMISTRY

318393 Identify the wrong statement in the following:

1 Chloroflurocarbons are responsible for ozone layer depletion
2 Greenhouse effect is responsible for global warming
3 Ozone layer does not permit infrared radiation from the sun to reach the earth
4 Acid rain is mostly because of oxides of nitrogen and sulphur
CHXI14:ENVIRONMENTAL CHEMISTRY

318394 Pick up the correct statement

1 CO which is major pollutant resulting from the combustion of fuels in automobiles plays a major role in photochemical smog
2 Classical smog has an oxidizing character while the photochemical smog is reducing in character
3 Photochemical smog occurs in day time whereas the classical smog occurs in early morning hours
4 During formation of smog the level of ozone in the atmosphere goes down
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