,Chapter 01: Introduction
m m
1. A mtentativemexplanationmformamset mof mobservationsmthat mcanmbemtested mbymfurt
hermexperimentationmismreferred mtomas
A) amhypothesis. B)m amlaw. C)m amtheory.
D)m nonemof mthemabove.mAns:m A Category:m Easy
Section:m 1.2
2. A mconcisemverbalmormmathematicalmstatement mof mamrelationshipmbetweenmphenomenamthat
mismalwaysmthemsamemundermthemsamemconditionsmismreferred mtomas
A) amhypothesis. B)m amlaw. C)m amtheory.
D)m nonemof mthemabove.mAns:m B Category:m Easy
Section:m 1.2
3. A munifyingmprinciplemthat mexplainsmambodymof mfactsmand mrelationsmismreferred mtomas
A) amhypothesis. B)m amlaw. C)m amtheory.
D)m nonemof mthemabove.mAns:m C Category:m Easy
Section:m 1.2
4. Completemthemfollowingmsentence.m Amhypothesismis
A) amtentativemexplanationmformamset mof mobservationsmthat mcanmbemtested mbymfurt
hermexperimentation.
B) amstatement mdescribingmamrelationshipmbetweenmphenomenamthat mismalwaysmthemsa
memundermthemsamemconditions.
C) amunifyingmprinciplemthat mexplainsmambodymof mfactsmand mrelations.
D) ammodelmused mtomvisualizemtheminvisibl
e.mAns:m A Category:m Easy Section:m 1.2
5. Completemthemfollowingmsentence.m Amscientificmlawmis
A) amtentativemexplanationmformamset mof mobservationsmthat mcanmbemtested mbymfurt
hermexperimentation.
B) amstatement mdescribingmamrelationshipmbetweenmphenomenamthat mismalwaysmthemsa
memundermthemsamemconditions.
C) amunifyingmprinciplemthat mexplainsmambodymof mfactsmand mrelations.
D) ammodelmused mtomvisualizemtheminvisibl
e.mAns:m B Category:m Easy Section:m 1.2
6. Completemthemfollowingmsentence.m Amtheorymis
A) amtentativemexplanationmformamset mof mobservationsmthat mcanmbemtested mbymfurt
hermexperimentation.
B) amstatement mdescribingmamrelationshipmbetweenmphenomenamthat mismalwaysmthemsa
memundermthemsamemconditions.
C) amunifyingmprinciplemthat mexplainsmambodymof mfactsmand mrelations.
D) ammodelmused mtomvisualizemtheminvisibl
e.mAns:m C Category:m Easy Section:m 1.2
Pagem1
, Chapterm01: mIntroductio
n
7. Choosemthemresponsemthat mincludesmallmthemitemsmlisted mbelow mthat marempuremsubstances.
i.morangemjuice ii.msteam iii.moceanmwater iv.moxygen v.mvegetablemsoup
A)m i,miii,mv B)m ii,miv C)m i,miii,miv D)m ivmonly
E)m allmof mthemmarempuremAns:m B Category:m Easy
Section:m 1.2
8. Whichmof mthemfollowingmismanmexamplemof mamphysicalmproperty?
A) corrosivenessmof msulfuricmacid
B) toxicitymof mcyanide
C) flammabilitymof mgasoline
D) neutralizationmof mstomachmacid mwithmanmantacid
E) lead mbecomesmamliquid mwhenmheated mtom601
CmAns:m E Category:m Easy Section:m 1.4
9. Whichmonemof mthemfollowingmismanmexamplemof mamphysicalmproperty?
A) dynamitemexplodes D) icemfloatsmonmtopmof mliquid mwater
B) meat mrotsmif mit mismnot mrefrigerated E) amsilvermplattermtarnishes
C) gasolinemburns
Ans:m D Category:m Easy Section:m 1.4
10. Whichmonemof mthemfollowingmrepresentsmamphysicalmchange?
A) water,mwhenmheated mtom100 C,mformsmsteam
B) bleachmturnsmhairmyellow
C) sugar,mwhenmheated,mbecomesmbrown
D) milkmturnsmsour
E) apples,mwhenmexposed mtomair,mturnmbrow
nmAns:m A Category:m Easy Section:m 1.4
11. Allmof mthemfollowingmarempropertiesmof msodium.m Whichmonemismamphysicalmpropertym
of msodium?
A) It mismamsurfacemturnsmblackmwhenmfirst mexposed mtomair.
B) It mismamsolid mat m25 Cmand mchangesmtomamliquid mwhenmheated mtom98 C.
C) Whenmplaced minmwatermit msizzlesmand mamgasmismformed.
D) Whenmplaced minmcontact mwithmchlorinemit mformsmamcompound mthat mmeltsmat m801 C.
E) Sodiummismnevermfound masmthempuremmetalminmnatur
e.mAns:m B Category:m Easy Section:m 1.4
12. Allmof mthemfollowingmarempropertiesmof mtin.m Whichmonemismamchemicalmpropertymof mtin?
A) Tinmcanmbemhammered mintomamthinmsheet.
B) At m–40 Cmamsheet mof mtinmcrumblesmtomamgraympowder.
C) Tinmmeltsmat m231.9 C.
D) Whenmambarmof mtinmismbent,mit memitsmanmaudiblem“cry”.
E) Tinmerodesmwhenmadded mtomhydrochloricmacid,mand mamclearmgasmform
s.mAns:m E Category:m Medium Section:m 1.4
Pagem2
, Chapterm01: mIntroductio
n
13. Whichmonemof mthemfollowingmrepresentsmamchemicalmchange?
A) boilingmwatermtomformmsteam
B) burningmampiecemof mcoal
C) heatingmlead muntilmit mmelts
D) mixingmironmfilingsmand msand mat mroommtemperature
E) breakingmglass
Ans:m B Category:m Medium Section:m 1.4
14. Whichmof mthemfollowingmdoesmnotmrepresent mamchemicalmchange?
A) amfreshlymcut mapplemturnsmbrown
B) milkmturnsmsourmonmstandingmat mroommtemperature
C) whenmcooled mtom0 C,mliquid mwatermbecomesmice
D) fryingmanmegg
E) fermentationmof msugarmtomalcoholmA
ns:m C Category:m Easy Section:m 1.4
15. ThemSI mprefixesmnanomand mdecimrepresent,mrespectively:
A) 10– m9 mand m10– m6. D) 109 mand m10– m6 .
6
B) 10 mand m10 m .– 3 E) 10– m9 mand m10–
1
m .
C) 103 mand m10– m3 .
Ans:m E Category: Easy Section:m 1.7
16.
ThemSI mprefixesmmillimand mmegamrepresent,mrespectively:
A) 106 mand m10– m6 . D) 10– m3 mand m109 .
B) 10– m3 mand m106 . E) 10– m6 mand m10–
3
m .
3
C) 10 mand m10 m .– 6
17. Ans:m B Category: Easy Section:m 1.7
ThemSI mprefixesmkilomand mcentimrepresent,mrespectively:
A) 103 mand m10– m2 . D) 10– m6 mand m102 .
6
B) 10 mand m10 m .– 1 E) 102 mand m10– m3 .
C) 10– m3 mand m10– m2.
18. Ans: m A
A mnanometer Category: Easy Section: 1.7
mcorrespondsmto:
A) 10– m2 mmeters. D) 10– m9 mmeters.
– 3
B) 10 m mmeters. E) 10– m12 mmeters.
C) 10– m6 mmeters.
Ans:m D Category:m Easy Section:m 1.7
19. A mmicrolitermcorrespondsmto:
A) 10– m2 mliters. B)m 10– m3 mliters. C)m 10– m6 mliters. D)m 10– m9 mliters. E)m 10–
12
m mliters.mAns:m CCategory:m Easy Section:m 1.7
Pagem3
m m
1. A mtentativemexplanationmformamset mof mobservationsmthat mcanmbemtested mbymfurt
hermexperimentationmismreferred mtomas
A) amhypothesis. B)m amlaw. C)m amtheory.
D)m nonemof mthemabove.mAns:m A Category:m Easy
Section:m 1.2
2. A mconcisemverbalmormmathematicalmstatement mof mamrelationshipmbetweenmphenomenamthat
mismalwaysmthemsamemundermthemsamemconditionsmismreferred mtomas
A) amhypothesis. B)m amlaw. C)m amtheory.
D)m nonemof mthemabove.mAns:m B Category:m Easy
Section:m 1.2
3. A munifyingmprinciplemthat mexplainsmambodymof mfactsmand mrelationsmismreferred mtomas
A) amhypothesis. B)m amlaw. C)m amtheory.
D)m nonemof mthemabove.mAns:m C Category:m Easy
Section:m 1.2
4. Completemthemfollowingmsentence.m Amhypothesismis
A) amtentativemexplanationmformamset mof mobservationsmthat mcanmbemtested mbymfurt
hermexperimentation.
B) amstatement mdescribingmamrelationshipmbetweenmphenomenamthat mismalwaysmthemsa
memundermthemsamemconditions.
C) amunifyingmprinciplemthat mexplainsmambodymof mfactsmand mrelations.
D) ammodelmused mtomvisualizemtheminvisibl
e.mAns:m A Category:m Easy Section:m 1.2
5. Completemthemfollowingmsentence.m Amscientificmlawmis
A) amtentativemexplanationmformamset mof mobservationsmthat mcanmbemtested mbymfurt
hermexperimentation.
B) amstatement mdescribingmamrelationshipmbetweenmphenomenamthat mismalwaysmthemsa
memundermthemsamemconditions.
C) amunifyingmprinciplemthat mexplainsmambodymof mfactsmand mrelations.
D) ammodelmused mtomvisualizemtheminvisibl
e.mAns:m B Category:m Easy Section:m 1.2
6. Completemthemfollowingmsentence.m Amtheorymis
A) amtentativemexplanationmformamset mof mobservationsmthat mcanmbemtested mbymfurt
hermexperimentation.
B) amstatement mdescribingmamrelationshipmbetweenmphenomenamthat mismalwaysmthemsa
memundermthemsamemconditions.
C) amunifyingmprinciplemthat mexplainsmambodymof mfactsmand mrelations.
D) ammodelmused mtomvisualizemtheminvisibl
e.mAns:m C Category:m Easy Section:m 1.2
Pagem1
, Chapterm01: mIntroductio
n
7. Choosemthemresponsemthat mincludesmallmthemitemsmlisted mbelow mthat marempuremsubstances.
i.morangemjuice ii.msteam iii.moceanmwater iv.moxygen v.mvegetablemsoup
A)m i,miii,mv B)m ii,miv C)m i,miii,miv D)m ivmonly
E)m allmof mthemmarempuremAns:m B Category:m Easy
Section:m 1.2
8. Whichmof mthemfollowingmismanmexamplemof mamphysicalmproperty?
A) corrosivenessmof msulfuricmacid
B) toxicitymof mcyanide
C) flammabilitymof mgasoline
D) neutralizationmof mstomachmacid mwithmanmantacid
E) lead mbecomesmamliquid mwhenmheated mtom601
CmAns:m E Category:m Easy Section:m 1.4
9. Whichmonemof mthemfollowingmismanmexamplemof mamphysicalmproperty?
A) dynamitemexplodes D) icemfloatsmonmtopmof mliquid mwater
B) meat mrotsmif mit mismnot mrefrigerated E) amsilvermplattermtarnishes
C) gasolinemburns
Ans:m D Category:m Easy Section:m 1.4
10. Whichmonemof mthemfollowingmrepresentsmamphysicalmchange?
A) water,mwhenmheated mtom100 C,mformsmsteam
B) bleachmturnsmhairmyellow
C) sugar,mwhenmheated,mbecomesmbrown
D) milkmturnsmsour
E) apples,mwhenmexposed mtomair,mturnmbrow
nmAns:m A Category:m Easy Section:m 1.4
11. Allmof mthemfollowingmarempropertiesmof msodium.m Whichmonemismamphysicalmpropertym
of msodium?
A) It mismamsurfacemturnsmblackmwhenmfirst mexposed mtomair.
B) It mismamsolid mat m25 Cmand mchangesmtomamliquid mwhenmheated mtom98 C.
C) Whenmplaced minmwatermit msizzlesmand mamgasmismformed.
D) Whenmplaced minmcontact mwithmchlorinemit mformsmamcompound mthat mmeltsmat m801 C.
E) Sodiummismnevermfound masmthempuremmetalminmnatur
e.mAns:m B Category:m Easy Section:m 1.4
12. Allmof mthemfollowingmarempropertiesmof mtin.m Whichmonemismamchemicalmpropertymof mtin?
A) Tinmcanmbemhammered mintomamthinmsheet.
B) At m–40 Cmamsheet mof mtinmcrumblesmtomamgraympowder.
C) Tinmmeltsmat m231.9 C.
D) Whenmambarmof mtinmismbent,mit memitsmanmaudiblem“cry”.
E) Tinmerodesmwhenmadded mtomhydrochloricmacid,mand mamclearmgasmform
s.mAns:m E Category:m Medium Section:m 1.4
Pagem2
, Chapterm01: mIntroductio
n
13. Whichmonemof mthemfollowingmrepresentsmamchemicalmchange?
A) boilingmwatermtomformmsteam
B) burningmampiecemof mcoal
C) heatingmlead muntilmit mmelts
D) mixingmironmfilingsmand msand mat mroommtemperature
E) breakingmglass
Ans:m B Category:m Medium Section:m 1.4
14. Whichmof mthemfollowingmdoesmnotmrepresent mamchemicalmchange?
A) amfreshlymcut mapplemturnsmbrown
B) milkmturnsmsourmonmstandingmat mroommtemperature
C) whenmcooled mtom0 C,mliquid mwatermbecomesmice
D) fryingmanmegg
E) fermentationmof msugarmtomalcoholmA
ns:m C Category:m Easy Section:m 1.4
15. ThemSI mprefixesmnanomand mdecimrepresent,mrespectively:
A) 10– m9 mand m10– m6. D) 109 mand m10– m6 .
6
B) 10 mand m10 m .– 3 E) 10– m9 mand m10–
1
m .
C) 103 mand m10– m3 .
Ans:m E Category: Easy Section:m 1.7
16.
ThemSI mprefixesmmillimand mmegamrepresent,mrespectively:
A) 106 mand m10– m6 . D) 10– m3 mand m109 .
B) 10– m3 mand m106 . E) 10– m6 mand m10–
3
m .
3
C) 10 mand m10 m .– 6
17. Ans:m B Category: Easy Section:m 1.7
ThemSI mprefixesmkilomand mcentimrepresent,mrespectively:
A) 103 mand m10– m2 . D) 10– m6 mand m102 .
6
B) 10 mand m10 m .– 1 E) 102 mand m10– m3 .
C) 10– m3 mand m10– m2.
18. Ans: m A
A mnanometer Category: Easy Section: 1.7
mcorrespondsmto:
A) 10– m2 mmeters. D) 10– m9 mmeters.
– 3
B) 10 m mmeters. E) 10– m12 mmeters.
C) 10– m6 mmeters.
Ans:m D Category:m Easy Section:m 1.7
19. A mmicrolitermcorrespondsmto:
A) 10– m2 mliters. B)m 10– m3 mliters. C)m 10– m6 mliters. D)m 10– m9 mliters. E)m 10–
12
m mliters.mAns:m CCategory:m Easy Section:m 1.7
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