AQA AS CHEMISTRY 74041 Paper 1 Inorganic and Physical Chemistry Mark scheme

TEST BANK g




CHEMISTRY

STEVENgS.gZUMDAHLg&gSUSANgA.gZUMDAHL
9thgEdition




TESTBANK g

,Chapterg1:gChemicalgFoundations

1. Whichgofgthegfollowinggisgangexamplegofgagquantitativegobservation?
A) Thegpiecegofgmetalgisglongergthangthegpiecegofgwood.
B) Solutiong1gisgmuchgdarkergthangsolutiong2.
C) ThegliquidgingbeakergAgisgblue.
D) Thegtemperaturegofgthegliquidgisg60°C.
E) Atgleastgtwogofgthegaboveg(A-D)garegquantitativegobservations.
ANS:g g D DIF: Easy REF: 1.2
KEY:g Chemistryg|ggeneralgchemistryg|ggeneralgconceptsg|gscientificgmethod
gMSC:gConceptual


2. Agquantitativegobservation
A) containsgagnumbergandgagunit
B) doesgnotgcontaingagnumber
C) alwaysgmakesgagcomparison
D) mustgbegobtainedgthroughgexperimentation
E) isgnonegofgthese
ANS:g g A DIF: Easy REF: 1.2
KEY:g Chemistryg|ggeneralgchemistryg|ggeneralgconceptsg|gscientificgmethod
gMSC:gConceptual


3. Generally,gobservedgbehaviorgthatgcangbegformulatedgintogagstatement,gsometime
sgmathematicalgingnature,gisgcalledga(n)
A) observation
B) measurement
C) theory
D) naturalglaw
E) experiment
ANS:g g D DIF: Easy REF: 1.2
KEY:g Chemistryg|ggeneralgchemistryg|ggeneralgconceptsg|gscientificgmethod
gMSC:gConceptual


4. Thegstatementg“Thegtotalgmassgofgmaterialsgisgnotgaffectedgbygagchemicalgchangegingthos
egmaterials”gisgcalledga(n)
A) observation
B) measurement
C) theory
D) naturalglaw
E) experiment
ANS:g g D DIF: Easy REF: 1.2
KEY:g Chemistryg|ggeneralgchemistryg|ggeneralgconceptsg|gscientificgmethod
gMSC:gConceptual


5. Agchemicalgtheorygthatghasgbeengknowngforgaglonggtimegbecomesgaglaw.

, ANS:g g F DIF: Easy REF: 1.2
KEY:g Chemistryg|ggeneralgchemistryg|ggeneralgconceptsg|gscientificgmethod
gMSC:gConceptual


6. Whichgofgthegfollowinggmetricgrelationshipsgisgincorrect?
A) 1gmicroliterg=g10–6gliters
B) 1ggramg=g103gkilograms
C) 103gmillilitersg=g1gliter
D) 1ggramg=g102gcentigrams
E) 10gdecimetersg=g1gmeter
ANS:g g B DIF: Easy REF: 1.3
KEY:g Chemistryg|ggeneralgchemistryg|ggeneralgconceptsg|gmeasurementg|gSIgunitg|gprefixesg
MSC:gQuantitative

7. ForgwhichgpairgisgthegSIgprefixgnotgmatchedgcorrectlygwithgitsgmeaning
?gA)g
B)g
C)g
D)g
E)g
ANS:g g C DIF: Easy REF: 1.3
KEY:g Chemistryg|ggeneralgchemistryg|ggeneralgconceptsg|gmeasurementg|gSIgunitg|gprefixesg
MSC:gConceptual

8. Agmetricgunitgforglengthgis
A) gram
B) milliliter
C) yard
D) kilometer
E) pound
ANS:g g D DIF: Easy REF: 1.3
KEY:g Chemistryg|ggeneralgchemistryg|ggeneralgconceptsg|gmeasurementg|gSIgunitg|gbasegunit
gMSC:gConceptual


9. WhichgofgthegfollowinggisgnotgagunitgingthegSIgsystem?
A) ampere
B) candela
C) Kelvin
D) meter
E) calorie
ANS:g g E DIF: Easy REF: 1.3
KEY:g Chemistryg|ggeneralgchemistryg|ggeneralgconceptsg|gmeasurementg|gSIgunitg|gbasegunit
gMSC:gConceptual


10. Ordergthegfourgmetricgprefixesgfromgsmallestgtoglargest.

, A) nano-g<gmilli-g<gcenti-g<gkilo-
B) milli-g<gnano-g<gcenti-g<gkilo-
C) kilo-g<gcenti-g<gnano-g<gmilli-
D) kilo-g<gcenti-g<gmilli-g<gnano-
E) centi-g<gnano-g<gkilo-g<gmilli-
ANS:g g A DIF: Easy REF: 1.3
KEY:g Chemistryg|ggeneralgchemistryg|ggeneralgconceptsg|gmeasurementg|gSIgunitg|gprefixesg
MSC:gConceptual

11. 8.1gkilogram(s)gcontainsgthisgmanyggrams.
A) 8.1gg102
B) 8.1gg103
C) 81
D) 0.81
E) 8.1gg10−3
ANS:g g B DIF: Easy REF: 1.3
KEY:g Chemistryg|ggeneralgchemistryg|ggeneralgconceptsg|gmeasurementg|gSIgunitg|gmassgM
SC:gConceptual

12. Convertg0.3980gmgtogmm.
gA)g

B)
C)
D)g
E)g
ANS:g g A DIF: Easy REF: 1.3
KEY:g Chemistryg|ggeneralgchemistryg|ggeneralgconceptsg|gmeasurementg|gSIgunitg|gprefixesg
MSC:gConceptual

13. 6.1gsecondsgcontaingthisgmanygpicoseconds.
A) 6.1gg1012
B) 6.1gg10−12
C) 6.1gg10−9
D) 6.1gg109
E) 6.1gg1015
ANS:g g A DIF: Easy REF: 1.3
KEY:g Chemistryg|ggeneralgchemistryg|ggeneralgconceptsg|gmeasurementg|gSIgunitg|gprefixesg
MSC:gConceptual

14. 9.49gsecondsgcontaingthisgmanygnanoseconds.
A) 9.49gg107
B) 9.49gg109
C) 9.49gg1012
D) 9.49gg1010
E) 9.49gg108