Chemistry in Context Applying to Society
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The Air We Breathe
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f
MultiplefChoicefQuestions
f
1 BasedfonfTablef1.1,fwhichfairfpollutantfisfthefonlyfoneftofhavefincreasedfbetweenf1983fandf2002
. ?ff
f
A.f sulfurfdioxidef
B.f ozonef
C.f particulatefmatterf
D.f Nonefoffthesefchoicesfisfcorrect.f
Notefthatfallfpollutantsfdecreasedfinfconcentrationfoverfthisftimefframe.f
f
2Offfivefmajorfgaseousfcomponentsfoffair,fwhichfisfthefonlyfoneftofvaryfsignificantlyfinfconcentra
. tionffromfplaceftofplacefandffromfdayftofday?ff
f
A.f waterfvaporf
B.f carbonfdioxidef
C.f nitrogenf
D.f argonf
Thinkfaboutfdifferencesfinfhumidity.f
f
,3. Whichftwofgasesfmakefupfmorefthanf95%foffanfinhaledfbreath?ff
f
A.f NO2fandfN2f
B.f CO2fandfO2f
C.f O2fandfN2f
D.f N2fandfArf
Thinkfaboutftheftwofmainfcomponentsfoffthefatmosphere.f
f
4 Whatfisfthefprimaryfcomponentfoffanfexhaledfbreath?ff
f
.
A.f N2f
B.f O2f
C.f CO2f
D.f H2Of
Thefmainfcomponentfoffanfexhaledfbreathfisfthefsamefasfthefmainfcomponentfoffanfinhaledfbreat
h.f
f
5 Whichfcomponentfoffthefairfmakesfupfapproximatelyf100ftimesfmorefoffanfexhaledfbreathfthanfo
. ffanfinhaledfbreath?f
f
A.f Ar
B.f O2
C.f O3
D.f CO2
f
,6 Thef________fconcentrationfinfthefairfoverfthefdesertfdiffersfdramaticallyffromfthatfinfthefairfinft
. heftropicalfrainforest.ff
f
A.f N2f
B.f O2f
C.f CO2f
D.f H2Of
Thinkfaboutfthefdryfairfinfthefdesert.f
f
7. Whichfcomponentfoffthefairfisfanfelement?ff
f
A.f H2Of
B.f NO2f
C.f O3f
D.f CO2f
Onlyfonefoffthesefcontainsfallfthefsameftypefoffatom.f
f
8. Airfisfa(n)ff
f
A.f element.f
B.f compound.f
C.f mixture.f
D.f purefsubstance.f
Therefarefseveralfsubstancesfinfair.f
f
, 9. Whichfsubstancefisffconsideredftofbefanfairfpollutant?ff
f
A.f N2f
B.f SO2f
C.f NO2f
D.f O3f
Onefiffthesefisfthefprimaryfcomponentfoffuncontaminatedfairfwhilefthefrestfarefpollutants.f
f
10 Ozonefisfconsideredfanfairfpollutantfinfthef________fbutfisfafvaluablefprotectiveflayerfinfthef__
. ________.ff
f
A.f troposphere;fstratospheref
B.f stratosphere;fmesospheref
C.f stratosphere;ftropospheref
D.f mesosphere;fstratospheref
Rememberfthatfweflivefinftheftroposphere.f
f
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The Air We Breathe
f f f
f
MultiplefChoicefQuestions
f
1 BasedfonfTablef1.1,fwhichfairfpollutantfisfthefonlyfoneftofhavefincreasedfbetweenf1983fandf2002
. ?ff
f
A.f sulfurfdioxidef
B.f ozonef
C.f particulatefmatterf
D.f Nonefoffthesefchoicesfisfcorrect.f
Notefthatfallfpollutantsfdecreasedfinfconcentrationfoverfthisftimefframe.f
f
2Offfivefmajorfgaseousfcomponentsfoffair,fwhichfisfthefonlyfoneftofvaryfsignificantlyfinfconcentra
. tionffromfplaceftofplacefandffromfdayftofday?ff
f
A.f waterfvaporf
B.f carbonfdioxidef
C.f nitrogenf
D.f argonf
Thinkfaboutfdifferencesfinfhumidity.f
f
,3. Whichftwofgasesfmakefupfmorefthanf95%foffanfinhaledfbreath?ff
f
A.f NO2fandfN2f
B.f CO2fandfO2f
C.f O2fandfN2f
D.f N2fandfArf
Thinkfaboutftheftwofmainfcomponentsfoffthefatmosphere.f
f
4 Whatfisfthefprimaryfcomponentfoffanfexhaledfbreath?ff
f
.
A.f N2f
B.f O2f
C.f CO2f
D.f H2Of
Thefmainfcomponentfoffanfexhaledfbreathfisfthefsamefasfthefmainfcomponentfoffanfinhaledfbreat
h.f
f
5 Whichfcomponentfoffthefairfmakesfupfapproximatelyf100ftimesfmorefoffanfexhaledfbreathfthanfo
. ffanfinhaledfbreath?f
f
A.f Ar
B.f O2
C.f O3
D.f CO2
f
,6 Thef________fconcentrationfinfthefairfoverfthefdesertfdiffersfdramaticallyffromfthatfinfthefairfinft
. heftropicalfrainforest.ff
f
A.f N2f
B.f O2f
C.f CO2f
D.f H2Of
Thinkfaboutfthefdryfairfinfthefdesert.f
f
7. Whichfcomponentfoffthefairfisfanfelement?ff
f
A.f H2Of
B.f NO2f
C.f O3f
D.f CO2f
Onlyfonefoffthesefcontainsfallfthefsameftypefoffatom.f
f
8. Airfisfa(n)ff
f
A.f element.f
B.f compound.f
C.f mixture.f
D.f purefsubstance.f
Therefarefseveralfsubstancesfinfair.f
f
, 9. Whichfsubstancefisffconsideredftofbefanfairfpollutant?ff
f
A.f N2f
B.f SO2f
C.f NO2f
D.f O3f
Onefiffthesefisfthefprimaryfcomponentfoffuncontaminatedfairfwhilefthefrestfarefpollutants.f
f
10 Ozonefisfconsideredfanfairfpollutantfinfthef________fbutfisfafvaluablefprotectiveflayerfinfthef__
. ________.ff
f
A.f troposphere;fstratospheref
B.f stratosphere;fmesospheref
C.f stratosphere;ftropospheref
D.f mesosphere;fstratospheref
Rememberfthatfweflivefinftheftroposphere.f
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