Test bank
f
,This book is a gift that we hope would be of help to our family at STEM.
f f f f f f f f f f f f f f f f
Sincerely,
STEM Freelancer’s association
f f
,Chapter 1: Chemical Foundations
f f f
1. Which fof fthe ffollowing fis fan fexample fof fa fquantitative fobservation?
A) The fpiece fof fmetal fis flonger fthan fthe fpiece fof fwood.
B) Solution f1 fis fmuch fdarker fthan fsolution f2.
C) The fliquid fin fbeaker fA fis fblue.
D) The ftemperature fof fthe fliquid fis f60°C.
E) At fleast ftwo fof fthe fabove f(A-D) fare fquantitative fobservations.
ANS: f f D DIF: Easy REF: 1.2
KEY: f Chemistry f| fgeneral fchemistry f| fgeneral fconcepts f| fscientific fmethod
fMSC: f Conceptual
2. A fquantitative fobservation
A) contains fa fnumber fand fa funit
B) does fnot fcontain fa fnumber
C) always fmakes fa fcomparison
D) must fbe fobtained fthrough fexperimentation
E) is fnone fof fthese
ANS: f f A DIF: Easy REF: 1.2
KEY: f Chemistry f| fgeneral fchemistry f| fgeneral fconcepts f| fscientific fmethod
fMSC: f Conceptual
3. Generally, fobserved fbehavior fthat fcan fbe fformulated finto fa fstatement, fsometimes
fmathematical fin fnature, fis fcalled fa(n)
A) observation
B) measurement
C) theory
D) natural flaw
E) experiment
ANS: f f D DIF: Easy REF: 1.2
KEY: f Chemistry f| fgeneral fchemistry f| fgeneral fconcepts f| fscientific fmethod
fMSC: f Conceptual
4. The fstatement f―The ftotal fmass fof fmaterials fis fnot faffected fby fa fchemical fchange fin fthose
fmaterials‖ fis fcalled fa(n)
A) observation
B) measurement
C) theory
D) natural flaw
E) experiment
ANS: f f D DIF: Easy REF: 1.2
KEY: f Chemistry f| fgeneral fchemistry f| fgeneral fconcepts f| fscientific fmethod
fMSC: f Conceptual
5. A fchemical ftheory fthat fhas fbeen fknown ffor fa flong ftime fbecomes fa flaw.
, ANS: f f F DIF: Easy REF: 1.2
KEY: f Chemistry f| fgeneral fchemistry f| fgeneral fconcepts f| fscientific fmethod
fMSC: f Conceptual
6. Which fof fthe ffollowing fmetric frelationships fis fincorrect?
A) 1 fmicroliter f= f10–6 fliters
B) 1 fgram f= f103 fkilograms
C) 103 fmilliliters f= f1 fliter
D) 1 fgram f= f102 fcentigrams
E) 10 fdecimeters f= f1 fmeter
ANS: f f B DIF: Easy REF: 1.3
KEY: f Chemistry f| fgeneral fchemistry f| fgeneral fconcepts f| fmeasurement f| fSI funit f| fprefixes
fMSC: f Quantitative
7. For fwhich fpair fis fthe fSI fprefix fnot fmatched fcorrectly fwith fits fmeaning?
A)
B)
C)
D)
E)
ANS: f f C DIF: Easy REF: 1.3
KEY: f Chemistry f| fgeneral fchemistry f| fgeneral fconcepts f| fmeasurement f| fSI funit f| fprefixes
fMSC: f Conceptual
8. A fmetric funit ffor flength fis
A) gram
B) milliliter
C) yard
D) kilometer
E) pound
ANS: f f D DIF: Easy REF: 1.3
KEY: f Chemistry f| fgeneral fchemistry f| fgeneral fconcepts f| fmeasurement f| fSI funit f| fbase funit
fMSC: f Conceptual
9. Which fof fthe ffollowing fis fnot fa funit fin fthe fSI fsystem?
A) ampere
B) candela
C) Kelvin
D) meter
E) calorie
ANS: f f E DIF: Easy REF: 1.3
KEY: f Chemistry f| fgeneral fchemistry f| fgeneral fconcepts f| fmeasurement f| fSI funit f| fbase funit
fMSC: f Conceptual
10. Order fthe ffour fmetric fprefixes ffrom fsmallest fto flargest.
f
,This book is a gift that we hope would be of help to our family at STEM.
f f f f f f f f f f f f f f f f
Sincerely,
STEM Freelancer’s association
f f
,Chapter 1: Chemical Foundations
f f f
1. Which fof fthe ffollowing fis fan fexample fof fa fquantitative fobservation?
A) The fpiece fof fmetal fis flonger fthan fthe fpiece fof fwood.
B) Solution f1 fis fmuch fdarker fthan fsolution f2.
C) The fliquid fin fbeaker fA fis fblue.
D) The ftemperature fof fthe fliquid fis f60°C.
E) At fleast ftwo fof fthe fabove f(A-D) fare fquantitative fobservations.
ANS: f f D DIF: Easy REF: 1.2
KEY: f Chemistry f| fgeneral fchemistry f| fgeneral fconcepts f| fscientific fmethod
fMSC: f Conceptual
2. A fquantitative fobservation
A) contains fa fnumber fand fa funit
B) does fnot fcontain fa fnumber
C) always fmakes fa fcomparison
D) must fbe fobtained fthrough fexperimentation
E) is fnone fof fthese
ANS: f f A DIF: Easy REF: 1.2
KEY: f Chemistry f| fgeneral fchemistry f| fgeneral fconcepts f| fscientific fmethod
fMSC: f Conceptual
3. Generally, fobserved fbehavior fthat fcan fbe fformulated finto fa fstatement, fsometimes
fmathematical fin fnature, fis fcalled fa(n)
A) observation
B) measurement
C) theory
D) natural flaw
E) experiment
ANS: f f D DIF: Easy REF: 1.2
KEY: f Chemistry f| fgeneral fchemistry f| fgeneral fconcepts f| fscientific fmethod
fMSC: f Conceptual
4. The fstatement f―The ftotal fmass fof fmaterials fis fnot faffected fby fa fchemical fchange fin fthose
fmaterials‖ fis fcalled fa(n)
A) observation
B) measurement
C) theory
D) natural flaw
E) experiment
ANS: f f D DIF: Easy REF: 1.2
KEY: f Chemistry f| fgeneral fchemistry f| fgeneral fconcepts f| fscientific fmethod
fMSC: f Conceptual
5. A fchemical ftheory fthat fhas fbeen fknown ffor fa flong ftime fbecomes fa flaw.
, ANS: f f F DIF: Easy REF: 1.2
KEY: f Chemistry f| fgeneral fchemistry f| fgeneral fconcepts f| fscientific fmethod
fMSC: f Conceptual
6. Which fof fthe ffollowing fmetric frelationships fis fincorrect?
A) 1 fmicroliter f= f10–6 fliters
B) 1 fgram f= f103 fkilograms
C) 103 fmilliliters f= f1 fliter
D) 1 fgram f= f102 fcentigrams
E) 10 fdecimeters f= f1 fmeter
ANS: f f B DIF: Easy REF: 1.3
KEY: f Chemistry f| fgeneral fchemistry f| fgeneral fconcepts f| fmeasurement f| fSI funit f| fprefixes
fMSC: f Quantitative
7. For fwhich fpair fis fthe fSI fprefix fnot fmatched fcorrectly fwith fits fmeaning?
A)
B)
C)
D)
E)
ANS: f f C DIF: Easy REF: 1.3
KEY: f Chemistry f| fgeneral fchemistry f| fgeneral fconcepts f| fmeasurement f| fSI funit f| fprefixes
fMSC: f Conceptual
8. A fmetric funit ffor flength fis
A) gram
B) milliliter
C) yard
D) kilometer
E) pound
ANS: f f D DIF: Easy REF: 1.3
KEY: f Chemistry f| fgeneral fchemistry f| fgeneral fconcepts f| fmeasurement f| fSI funit f| fbase funit
fMSC: f Conceptual
9. Which fof fthe ffollowing fis fnot fa funit fin fthe fSI fsystem?
A) ampere
B) candela
C) Kelvin
D) meter
E) calorie
ANS: f f E DIF: Easy REF: 1.3
KEY: f Chemistry f| fgeneral fchemistry f| fgeneral fconcepts f| fmeasurement f| fSI funit f| fbase funit
fMSC: f Conceptual
10. Order fthe ffour fmetric fprefixes ffrom fsmallest fto flargest.
