Test Bank for General chemistry the essential
concepts 7th edition by Raymond Chang and
Goldsby Chapters 1-22 Covered ||Complete A+
Guide
,Chapter 01: Introduction
r r
1. A rtentative rexplanation rfor ra rset rof robservations rthat rcan rbe rtested rby
rfurther rexperimentation ris rreferred rto ras
A) a rhypothesis. B) r a rlaw. C) r a rtheory. D) r none rof rthe
rabove. rAns: r A Category: r Easy Section: r 1.2
2. A rconcise rverbal ror rmathematical rstatement rof ra rrelationship rbetween rphenomena rthat
ris ralways rthe rsame runder rthe rsame rconditions ris rreferred rto ras
A) a rhypothesis. B) r a rlaw. C) r a rtheory. D) r none rof rthe
rabove. rAns: r B Category: r Easy Section: r 1.2
3. A runifying rprinciple rthat rexplains ra rbody rof rfacts rand rrelations ris rreferred rto ras
A) a rhypothesis. B) r a rlaw. C) r a rtheory. D) r none rof rthe
rabove. rAns: r C Category: r Easy Section: r 1.2
4. Complete rthe rfollowing rsentence. r A rhypothesis ris
A) a rtentative rexplanation rfor ra rset rof robservations rthat rcan rbe rtested rby
rfurther rexperimentation.
B) a rstatement rdescribing ra rrelationship rbetween rphenomena rthat ris ralways rthe
rsame runder rthe rsame rconditions.
C) a runifying rprinciple rthat rexplains ra rbody rof rfacts rand rrelations.
D) a rmodel rused rto rvisualize rthe rinvisible.
rAns: r A Category: r Easy Section: r 1.2
5. Complete rthe rfollowing rsentence. r A rscientific rlaw ris
A) a rtentative rexplanation rfor ra rset rof robservations rthat rcan rbe rtested rby
rfurther rexperimentation.
B) a rstatement rdescribing ra rrelationship rbetween rphenomena rthat ris ralways rthe
rsame runder rthe rsame rconditions.
C) a runifying rprinciple rthat rexplains ra rbody rof rfacts rand rrelations.
D) a rmodel rused rto rvisualize rthe rinvisible.
rAns: r B Category: r Easy Section: r 1.2
6. Complete rthe rfollowing rsentence. r A rtheory ris
A) a rtentative rexplanation rfor ra rset rof robservations rthat rcan rbe rtested rby
rfurther rexperimentation.
B) a rstatement rdescribing ra rrelationship rbetween rphenomena rthat ris ralways rthe
rsame runder rthe rsame rconditions.
C) a runifying rprinciple rthat rexplains ra rbody rof rfacts rand rrelations.
D) a rmodel rused rto rvisualize rthe rinvisible.
rAns: r C Category: r Easy Section: r 1.2
Page 1
, Chapter 01: Introduction
7. Choose rthe rresponse rthat rincludes rall rthe ritems rlisted rbelow rthat rare rpure rsubstances.
i. rorange rjuice ii. rsteam iii. rocean rwater iv. roxygen v. rvegetable rsoup
A) r i, riii, rv B) r ii, riv C) r i, riii, riv D) r iv ronly E) r all
rof rthem rare rpure rAns: r B Category: r Easy Section: r 1.2
8. Which rof rthe rfollowing ris ran rexample rof ra rphysical rproperty?
A) corrosiveness rof rsulfuric racid
B) toxicity rof rcyanide
C) flammability rof rgasoline
D) neutralization rof rstomach racid rwith ran rantacid
E) lead rbecomes ra rliquid rwhen rheated rto r601 C
rAns: r E Category: r Easy Section: r 1.4
9. Which rone rof rthe rfollowing ris ran rexample rof ra rphysical rproperty?
A) dynamite rexplodes D) ice rfloats ron rtop rof rliquid rwater
B) meat rrots rif rit ris rnot rrefrigerated E) a rsilver rplatter rtarnishes
C) gasoline rburns
Ans: r D Category: r Easy Section: r 1.4
10. Which rone rof rthe rfollowing rrepresents ra rphysical rchange?
A) water, rwhen rheated rto r100 C, rforms rsteam
B) bleach rturns rhair ryellow
C) sugar, rwhen rheated, rbecomes rbrown
D) milk rturns rsour
E) apples, rwhen rexposed rto rair, rturn rbrown
rAns: r A Category: r Easy Section: r 1.4
11. All rof rthe rfollowing rare rproperties rof rsodium. r Which rone ris ra rphysical rproperty
rof rsodium?
A) It ris ra rsurface rturns rblack rwhen rfirst rexposed rto rair.
B) It ris ra rsolid rat r25 C rand rchanges rto ra rliquid rwhen rheated rto r98 C.
C) When rplaced rin rwater rit rsizzles rand ra rgas ris rformed.
D) When rplaced rin rcontact rwith rchlorine rit rforms ra rcompound rthat rmelts rat r801 C.
E) Sodium ris rnever rfound ras rthe rpure rmetal rin
rnature. rAns: r B Category: r Easy
Section: r 1.4
12. All rof rthe rfollowing rare rproperties rof rtin. r Which rone ris ra rchemical rproperty rof rtin?
A) Tin rcan rbe rhammered rinto ra rthin rsheet.
B) At r–40 C ra rsheet rof rtin rcrumbles rto ra rgray rpowder.
C) Tin rmelts rat r231.9 C.
D) When ra rbar rof rtin ris rbent, rit remits ran raudible r“cry”.
E) Tin rerodes rwhen radded rto rhydrochloric racid, rand ra rclear rgas
rforms. rAns: r E Category: r Medium Section: r 1.4
Page 2
, Chapter 01: Introduction
13. Which rone rof rthe rfollowing rrepresents ra rchemical rchange?
A) boiling rwater rto rform rsteam
B) burning ra rpiece rof rcoal
C) heating rlead runtil rit rmelts
D) mixing riron rfilings rand rsand rat rroom rtemperature
E) breaking rglass
Ans: r B Category: r Medium Section: r 1.4
14. Which rof rthe rfollowing rdoes rnot rrepresent ra rchemical rchange?
A) a rfreshly rcut rapple rturns rbrown
B) milk rturns rsour ron rstanding rat rroom rtemperature
C) when rcooled rto r0 C, rliquid rwater rbecomes rice
D) frying ran regg
E) fermentation rof rsugar rto ralcohol
rAns: r C Category: r Easy Section: r 1.4
15. The SI prefixes nano and deci represent, respectively:
A) 10– 9 and 10– 6. D) 109 and 10– 6.
B) 106 and 10– 3. E) 10– 9 and 10– 1.
3 –3
C) 10 and 10 .
Ans: E Category: Easy Section: 1.7
16. The SI prefixes milli and mega represent, respectively:
A) 106 and 10– 6. D) 10– 3 and 109.
B) 10– 3 and 106. E) 10– 6 and 10– 3.
3 –6
C) 10 and 10 .
Ans: B Category: Easy Section: 1.7
17. The SI prefixes kilo and centi represent, respectively:
A) 103 and 10– 2. D) 10– 6 and 102.
–1
6
B) 10 and 10 . E) 102 and 10– 3.
C) 10– 3 and 10– 2.
Ans: A Category: Easy Section: 1.7
18. A rnanometer rcorresponds rto:
A) 10–r2 rmeters. D) 10–r9 rmeters.
B) 10–r3 rmeters. E) 10–r12 rmeters.
–6
C) 10 r rmeters.
Ans: r D Category: r Easy Section: r 1.7
19. A rmicroliter rcorresponds rto:
A) 10– r2 rliters. B) r 10– r3 rliters. C) r 10– r6 rliters. D) r 10– r9 rliters. E) r 10–r12 rliters.
rAns: r C Category: r Easy Section: r 1.7
Page 3
concepts 7th edition by Raymond Chang and
Goldsby Chapters 1-22 Covered ||Complete A+
Guide
,Chapter 01: Introduction
r r
1. A rtentative rexplanation rfor ra rset rof robservations rthat rcan rbe rtested rby
rfurther rexperimentation ris rreferred rto ras
A) a rhypothesis. B) r a rlaw. C) r a rtheory. D) r none rof rthe
rabove. rAns: r A Category: r Easy Section: r 1.2
2. A rconcise rverbal ror rmathematical rstatement rof ra rrelationship rbetween rphenomena rthat
ris ralways rthe rsame runder rthe rsame rconditions ris rreferred rto ras
A) a rhypothesis. B) r a rlaw. C) r a rtheory. D) r none rof rthe
rabove. rAns: r B Category: r Easy Section: r 1.2
3. A runifying rprinciple rthat rexplains ra rbody rof rfacts rand rrelations ris rreferred rto ras
A) a rhypothesis. B) r a rlaw. C) r a rtheory. D) r none rof rthe
rabove. rAns: r C Category: r Easy Section: r 1.2
4. Complete rthe rfollowing rsentence. r A rhypothesis ris
A) a rtentative rexplanation rfor ra rset rof robservations rthat rcan rbe rtested rby
rfurther rexperimentation.
B) a rstatement rdescribing ra rrelationship rbetween rphenomena rthat ris ralways rthe
rsame runder rthe rsame rconditions.
C) a runifying rprinciple rthat rexplains ra rbody rof rfacts rand rrelations.
D) a rmodel rused rto rvisualize rthe rinvisible.
rAns: r A Category: r Easy Section: r 1.2
5. Complete rthe rfollowing rsentence. r A rscientific rlaw ris
A) a rtentative rexplanation rfor ra rset rof robservations rthat rcan rbe rtested rby
rfurther rexperimentation.
B) a rstatement rdescribing ra rrelationship rbetween rphenomena rthat ris ralways rthe
rsame runder rthe rsame rconditions.
C) a runifying rprinciple rthat rexplains ra rbody rof rfacts rand rrelations.
D) a rmodel rused rto rvisualize rthe rinvisible.
rAns: r B Category: r Easy Section: r 1.2
6. Complete rthe rfollowing rsentence. r A rtheory ris
A) a rtentative rexplanation rfor ra rset rof robservations rthat rcan rbe rtested rby
rfurther rexperimentation.
B) a rstatement rdescribing ra rrelationship rbetween rphenomena rthat ris ralways rthe
rsame runder rthe rsame rconditions.
C) a runifying rprinciple rthat rexplains ra rbody rof rfacts rand rrelations.
D) a rmodel rused rto rvisualize rthe rinvisible.
rAns: r C Category: r Easy Section: r 1.2
Page 1
, Chapter 01: Introduction
7. Choose rthe rresponse rthat rincludes rall rthe ritems rlisted rbelow rthat rare rpure rsubstances.
i. rorange rjuice ii. rsteam iii. rocean rwater iv. roxygen v. rvegetable rsoup
A) r i, riii, rv B) r ii, riv C) r i, riii, riv D) r iv ronly E) r all
rof rthem rare rpure rAns: r B Category: r Easy Section: r 1.2
8. Which rof rthe rfollowing ris ran rexample rof ra rphysical rproperty?
A) corrosiveness rof rsulfuric racid
B) toxicity rof rcyanide
C) flammability rof rgasoline
D) neutralization rof rstomach racid rwith ran rantacid
E) lead rbecomes ra rliquid rwhen rheated rto r601 C
rAns: r E Category: r Easy Section: r 1.4
9. Which rone rof rthe rfollowing ris ran rexample rof ra rphysical rproperty?
A) dynamite rexplodes D) ice rfloats ron rtop rof rliquid rwater
B) meat rrots rif rit ris rnot rrefrigerated E) a rsilver rplatter rtarnishes
C) gasoline rburns
Ans: r D Category: r Easy Section: r 1.4
10. Which rone rof rthe rfollowing rrepresents ra rphysical rchange?
A) water, rwhen rheated rto r100 C, rforms rsteam
B) bleach rturns rhair ryellow
C) sugar, rwhen rheated, rbecomes rbrown
D) milk rturns rsour
E) apples, rwhen rexposed rto rair, rturn rbrown
rAns: r A Category: r Easy Section: r 1.4
11. All rof rthe rfollowing rare rproperties rof rsodium. r Which rone ris ra rphysical rproperty
rof rsodium?
A) It ris ra rsurface rturns rblack rwhen rfirst rexposed rto rair.
B) It ris ra rsolid rat r25 C rand rchanges rto ra rliquid rwhen rheated rto r98 C.
C) When rplaced rin rwater rit rsizzles rand ra rgas ris rformed.
D) When rplaced rin rcontact rwith rchlorine rit rforms ra rcompound rthat rmelts rat r801 C.
E) Sodium ris rnever rfound ras rthe rpure rmetal rin
rnature. rAns: r B Category: r Easy
Section: r 1.4
12. All rof rthe rfollowing rare rproperties rof rtin. r Which rone ris ra rchemical rproperty rof rtin?
A) Tin rcan rbe rhammered rinto ra rthin rsheet.
B) At r–40 C ra rsheet rof rtin rcrumbles rto ra rgray rpowder.
C) Tin rmelts rat r231.9 C.
D) When ra rbar rof rtin ris rbent, rit remits ran raudible r“cry”.
E) Tin rerodes rwhen radded rto rhydrochloric racid, rand ra rclear rgas
rforms. rAns: r E Category: r Medium Section: r 1.4
Page 2
, Chapter 01: Introduction
13. Which rone rof rthe rfollowing rrepresents ra rchemical rchange?
A) boiling rwater rto rform rsteam
B) burning ra rpiece rof rcoal
C) heating rlead runtil rit rmelts
D) mixing riron rfilings rand rsand rat rroom rtemperature
E) breaking rglass
Ans: r B Category: r Medium Section: r 1.4
14. Which rof rthe rfollowing rdoes rnot rrepresent ra rchemical rchange?
A) a rfreshly rcut rapple rturns rbrown
B) milk rturns rsour ron rstanding rat rroom rtemperature
C) when rcooled rto r0 C, rliquid rwater rbecomes rice
D) frying ran regg
E) fermentation rof rsugar rto ralcohol
rAns: r C Category: r Easy Section: r 1.4
15. The SI prefixes nano and deci represent, respectively:
A) 10– 9 and 10– 6. D) 109 and 10– 6.
B) 106 and 10– 3. E) 10– 9 and 10– 1.
3 –3
C) 10 and 10 .
Ans: E Category: Easy Section: 1.7
16. The SI prefixes milli and mega represent, respectively:
A) 106 and 10– 6. D) 10– 3 and 109.
B) 10– 3 and 106. E) 10– 6 and 10– 3.
3 –6
C) 10 and 10 .
Ans: B Category: Easy Section: 1.7
17. The SI prefixes kilo and centi represent, respectively:
A) 103 and 10– 2. D) 10– 6 and 102.
–1
6
B) 10 and 10 . E) 102 and 10– 3.
C) 10– 3 and 10– 2.
Ans: A Category: Easy Section: 1.7
18. A rnanometer rcorresponds rto:
A) 10–r2 rmeters. D) 10–r9 rmeters.
B) 10–r3 rmeters. E) 10–r12 rmeters.
–6
C) 10 r rmeters.
Ans: r D Category: r Easy Section: r 1.7
19. A rmicroliter rcorresponds rto:
A) 10– r2 rliters. B) r 10– r3 rliters. C) r 10– r6 rliters. D) r 10– r9 rliters. E) r 10–r12 rliters.
rAns: r C Category: r Easy Section: r 1.7
Page 3
