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Test Bank For General Chemistry The Essential Concept 7Th Edition Raymond By Chang
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Test Bank For General Chemistry The Essential Concept 7Th Edition Raymond By Chang
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Test Bank For General Chemistry The Essential Concept 7Th Edition Raymond By Chang
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,Chapter il01: ilIntroduction1. A iltentative ilexplanation ilfor ila ilset ilof ilobservations ilthat ilcan ilbe iltested
ilby ilfurtherle
i xperimentation ilis ilreferred ilto ilas
A) a ilhypothesis. B) i l a illaw. C) i l a iltheory.
D) ilnone ilof ilthe ilabove.liAns: i l A Category: i l Easy
Section: il1.2
2. A ilconcise ilverbal ilor ilmathematical ilstatement ilof ila ilrelationship ilbetween ilphenomena
ilthat ilisla
i lways ilthe ilsame ilunder ilthe ilsame ilconditions ilis ilreferred ilto ilas
A) a ilhypothesis. B) i l a illaw. C) i l a iltheory.
D) ilnone ilof ilthe ilabove.liAns: i l B Category: i l Easy
Section: il1.2
3. A ilunifying ilprinciple ilthat ilexplains ila ilbody ilof ilfacts iland ilrelations ilis ilreferred ilto ilas
A) a ilhypothesis. B) i l a illaw. C) i l a iltheory.
D) ilnone ilof ilthe ilabove.liAns: i l C Category: i l Easy
Section: il1.2
4. Complete ilthe ilfollowing ilsentence. i l A ilhypothesis ilis
A) a iltentative ilexplanation ilfor ila ilset ilof ilobservations ilthat ilcan ilbe iltested
ilby ilfurtherliexperimentation.
B) a ilstatement ildescribing ila ilrelationship ilbetween ilphenomena ilthat ilis ilalways
ilthe ilsameliunder ilthe ilsame ilconditions.
C) a ilunifying ilprinciple ilthat ilexplains ila ilbody ilof ilfacts iland ilrelations.
D) a ilmodel ilused ilto ilvisualize ilthe
ilinvisible.liAns: i l A Category:
i l Easy Section: i l 1.2
5. Complete ilthe ilfollowing ilsentence. i l A ilscientific illaw ilis
A) a iltentative ilexplanation ilfor ila ilset ilof ilobservations ilthat ilcan ilbe iltested
ilby ilfurtherliexperimentation.
B) a ilstatement ildescribing ila ilrelationship ilbetween ilphenomena ilthat ilis ilalways
ilthe ilsameliunder ilthe ilsame ilconditions.
C) a ilunifying ilprinciple ilthat ilexplains ila ilbody ilof ilfacts iland ilrelations.
D) a ilmodel ilused ilto ilvisualize ilthe
ilinvisible.liAns: i l B Category:
i l Easy Section: i l 1.2
6. Complete ilthe ilfollowing ilsentence. i l A iltheory ilis
A) a iltentative ilexplanation ilfor ila ilset ilof ilobservations ilthat ilcan ilbe iltested
ilby ilfurtherliexperimentation.
B) a ilstatement ildescribing ila ilrelationship ilbetween ilphenomena ilthat ilis ilalways
ilthe ilsameliunder ilthe ilsame ilconditions.
C) a ilunifying ilprinciple ilthat ilexplains ila ilbody ilof ilfacts iland ilrelations.
D) a ilmodel ilused ilto ilvisualize ilthe
ilinvisible.liAns: i l C Category:
i l Easy Section: i l 1.2
Page
il1
, Chapter il01:
ilIntroduction
7. Choose ilthe ilresponse ilthat ilincludes ilall ilthe ilitems illisted ilbelow ilthat ilare ilpure ilsubstances.
i. ilorange iljuice ii. ilsteam iii. ilocean ilwater iv. iloxygen v. ilvegetable ilsoup
A) i l i, iliii, ilv B) i l ii, iliv C) i l i, iliii, iliv D)
i l iv ilonly E) ilall ilof ilthem ilare ilpureliAns: i l B Category: i l Easy
Section: il1.2
8. Which ilof ilthe ilfollowing ilis ilan ilexample ilof ila ilphysical ilproperty?
A) corrosiveness ilof ilsulfuric ilacid
B) toxicity ilof ilcyanide
C) flammability ilof ilgasoline
D) neutralization ilof ilstomach ilacid ilwith ilan ilantacid
E) lead ilbecomes ila illiquid ilwhen ilheated ilto
il601 C ilAns: i l E Category: i l Easy
Section: il1.4
9. Which ilone ilof ilthe ilfollowing ilis ilan ilexample ilof ila ilphysical ilproperty?
A) dynamite ilexplodes D) ice ilfloats ilon iltop ilof illiquid ilwater
B) meat ilrots ilif ilit ilis ilnot ilrefrigerated E) a ilsilver ilplatter iltarnishes
C) gasoline ilburns
Ans: i l D Category: i l Easy Section: i l 1.4
10. Which ilone ilof ilthe ilfollowing ilrepresents ila ilphysical ilchange?
A) water, ilwhen ilheated ilto il100 C, ilforms ilsteam
B) bleach ilturns ilhair ilyellow
C) sugar, ilwhen ilheated, ilbecomes ilbrown
D) milk ilturns ilsour
E) apples, ilwhen ilexposed ilto ilair, ilturn
ilbrownliAns: i l A Category:
i l Easy Section: i l 1.4
11. All ilof ilthe ilfollowing ilare ilproperties ilof ilsodium. ilWhich ilone ilis ila ilphysical
ilproperty ilofls i odium?
A) It ilis ila ilsurface ilturns ilblack ilwhen ilfirst ilexposed ilto ilair.
B) It ilis ila ilsolid ilat il25 C iland ilchanges ilto ila illiquid ilwhen ilheated ilto il98 C.
C) When ilplaced ilin ilwater ilit ilsizzles iland ila ilgas ilis ilformed.
D) When ilplaced ilin ilcontact ilwith ilchlorine ilit ilforms ila ilcompound ilthat ilmelts ilat il801 C.
E) Sodium ilis ilnever ilfound ilas ilthe ilpure ilmetal ilin
ilnature.liAns: i l B Category: i l Easy
Section: il1.4
12. All ilof ilthe ilfollowing ilare ilproperties ilof iltin. i l Which ilone ilis ila ilchemical ilproperty ilof iltin?
A) Tin ilcan ilbe ilhammered ilinto ila ilthin ilsheet.
B) At il–40 C ila ilsheet ilof iltin ilcrumbles ilto ila ilgray ilpowder.
C) Tin ilmelts ilat il231.9 C.
D) When ila ilbar ilof iltin ilis ilbent, ilit ilemits ilan ilaudible il―cry‖.
E) Tin ilerodes ilwhen iladded ilto ilhydrochloric ilacid, iland ila ilclear
ilgas ilforms.liAns: i l E Category: i l Medium Section: il1.4
Page il2
, Chapter il01:
ilIntroduction
13. Which ilone ilof ilthe ilfollowing ilrepresents ila ilchemical ilchange?
A) boiling ilwater ilto ilform ilsteam
B) burning ila ilpiece ilof ilcoal
C) heating illead iluntil ilit ilmelts
D) mixing iliron ilfilings iland ilsand ilat ilroom iltemperature
E) breaking ilglass
Ans: i l B Category: i l Medium Section: il1.4
14. Which ilof ilthe ilfollowing ildoes ilnot ilrepresent ila ilchemical ilchange?
A) a ilfreshly ilcut ilapple ilturns ilbrown
B) milk ilturns ilsour ilon ilstanding ilat ilroom iltemperature
C) when ilcooled ilto il0 C, illiquid ilwater ilbecomes ilice
D) frying ilan ilegg
E) fermentation ilof ilsugar ilto ilalcohol
ilAns: i l C Category: i l Easy Section:
i l 1.4
The ilSI ilprefixes ilnano iland ildeci ilrepresent, ilrespectively:
15. 15.
A) 10– il9 iland il10– D) 109 iland il 10–
6 6
il . il .
–
6
B) 10 iland il 10 E) 10– il9 iland il 10–
3 1
il . il .
3 –
C) 10 iland il 10
3
il .
16. 16.
Ans: i l E Category: Easy Section:
i l 1.7
The ilSI ilprefixes ilmilli iland ilmega ilrepresent, ilrespectively:
A) 106 iland il 10– D) 10– il3 iland
6 9
il . il 10 .
–
17. The
B)ilSI il10
prefixes
3 6
3
E) 10–– il66 iland il 10–2
il il andilkilo iland ilcenti ilrepresent, ilrespectively:
– 2
A) 10il 10iland 3
. il 10 il . D)
il . 10 il il and il 10 .
–– 1
B) 63
C) 10 ililand ilil10 10 il . E) 102 il and il 10– il3.
C) 10–il6il3. iland il10– il2.
Ans: i l A
B Category: iEasy Section:
l Easy Section: i l 1.7
i l 1.7
18. A ilnanometer ilcorresponds ilto:
A) 10– il2 il meters. D) 10– il9 il meters.
– 3
B) 10 il il meters. E) 10– il12 il meters.
C) 10– il6 il meters.
Ans: i l D Category: i l Easy Section: i l 1.7
19. A ilmicroliter ilcorresponds ilto:
A) 10– il2 il liters. B) i l 10– il3 il liters. C) i l 10– il6 illiters. D)
–9
i l 10 il il liters. E) il10– il12 illiters.liAns: il C Category: i l Easy Section:
il1.7
Page il3
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