FOR
CHEMISTRY AN INTRODUCTION TO GENERAL, ORGANIC, AND BIOLOGICAL
CHEMISTRY 13TH EDITION BY KAREN TIMBERLAKE, ALL CHAPTERS
COMPLETE GUIDE A+
,1.1 Multip le- Choice Questions
1) Water, H2O, is an example of a(n) .
A) chemical
B) solid
C) wave
D) electric charge
E) element
ANS : A
Page Ref:
1.1
Learning Obj.: 1.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts
across chemistry.
2) In this list, which substance can be classified as a chemical?
,A) salt
B) sleep
C) cold
D) heat
E) temperatur
e ANS : A
Page Ref:
1.1
Learning Obj.: 1.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts
across chemistry.
3) One example of a chemical used in toothpaste is .
A) chlorine
B) sulfur
C) carbon dioxide
D) calcium carbonate
E) sugar
ANS : D
Page Ref:
1.1
Learning Obj.: 1.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts
across chemistry.
, 4) Which of the following is not a chemical?
A) salt
B) water
C) light
D) carbon dioxide
E) sugar
ANS : C
Page Ref:
1.1
Learning Obj.: 1.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts
across chemistry.
5) Sodium fluorophosphate is a chemical used in toothpaste to .
A) make the paste white
B) disinfect the toothbrush
C) keep the paste from spoiling
D) remove plaque
E) strengthen tooth
enamel ANS : E
Page Ref: 1.1
Learning Obj.: 1.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts
across chemistry.
6) When a part of the body is injured, substances called are released.
A) aspirins
B) pain relievers
C) nitrogen oxides
D) chlorofluorocarbons
E) prostaglandins
ANS : E Page
Ref: 1.1
Learning Obj.: 1.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts
across chemistry.
7) Titanium dioxide is a chemical used in toothpaste to .
A) make the paste white
B) disinfect the toothbrush
C) keep the paste from spoiling
D) remove plaque
E) strengthen tooth
enamel ANS : A
Page Ref: 1.1
Learning Obj.: 1.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts
across chemistry.