An Introduction to General, Organic, and Biological Chemistry, 13e
(Timberlake)
Chapter 1 Chemistry in Our Lives
ALL ANSWERS INCLUDED ⬛⬛⬛ ALL CHAPTERS INCLUDED ⬛⬛⬛
1.1 Mu l t i p l e - Choice Questions
1) Water, H2O, is an example of a(n) .
A) chemical
B) solid
C) wave
D) electric charge
E) element
Answer: 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) temperature
Answer: 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
Answer: 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
Answer: 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
Answer: 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
Answer: 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
Answer: A
Page Ref: 1.1
Learning Obj.: 1.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across
chemistry.
,8) Which of the following is a chemical?
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A) sugar
B) heat
C) light
D) noise
E) a wave
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Answer: A
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Page Ref: 1.1
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Learning Obj.: 1.1 jf j f
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across
jf j f j f jf jf jf jf jf jf jf jf
chemistry.
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9) You notice that there is more traffic between 8 and 9 in the morning. This would be a(n)
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.
A) observation
B) hypothesis
C) experiment
D) theory
E) all the above
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Answer: A
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Page Ref: 1.2
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Learning Obj.: 1.2 jf j f
Global Outcomes: G1 Demonstrate an understanding of the principles of scientific inquiry.
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10) There is more traffic between 8 and 9 in the morning because most people start work at 9.
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This would be a(n)
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A) observation
B) hypothesis
C) experiment
D) theory
E) all the above
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Answer: B
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Page Ref: 1.2
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Learning Obj.: 1.2 jf j f
Global Outcomes: G1 Demonstrate an understanding of the principles of scientific inquiry.
jf j f j f jf jf jf jf jf jf jf jf
, 11) One way to enhance your learning in chemistry is to
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A) study a little every day jf jf jf jf
B) retest every few days jf jf jf
C) go to office hours
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D) study different ideas at the same time
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E) all the above
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Answer: E
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Page Ref: 1.3
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Learning Obj.: 1.3 jf j f
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across
jf j f j f jf jf jf jf jf jf jf jf
chemistry.
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12) In order to enhance your learning in chemistry, you should not
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A) study a little every day jf jf jf jf
B) form a study group jf jf jf
C) go to office hours
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D) retest every few days jf jf jf
E) wait until the night before the exam to study
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Answer: E
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Page Ref: 1.3
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Learning Obj.: 1.3 jf j f
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across
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chemistry.
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13) In the number 12.345, the 4 is in the
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A) tens
B) ones
C) tenths
D) hundredths
E) thousandths
Answer: D
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Page Ref: 1.4
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Learning Obj.: 1.4 jf j f
Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry.
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14) In the number 12.345, the 1 is in the
jf jf place. jf jf jf jf jf jf jf
A) tens
B) ones
C) tenths
D) hundredths
E) thousandths
Answer: A
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Page Ref: 1.4
jf jf jf
Learning Obj.: 1.4 jf j f
Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry.
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