Test Bank - Chemistry: An Introduction to General, Organic, and Biological Chemistry 13th Edition by Karen Timberlake, All Chapters |Complete Guide A+ | Newest version

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TEST BANK FOR
An Introduction to General, Organic, and Biological Chemistry, 13e (Timberlake)
Chapter 1 Chemistry in Our Lives
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1.1 M u l t i p l e -Choice Questions

1) Water, H2O, is an example of a(n) .
A) chemical
B) solid
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C) wave
D) electric charge
E) element
Answer: A
Page Ref: 1.1
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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
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C) cold
D) heat
E) temperature
Answer: A
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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 .
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A) chlorine
B) sulfur
C) carbon dioxide
D) calcium carbonate
E) sugar
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Answer: D
Page Ref: 1.1
Learning Obj.: 1.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across
chemistry.
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4) Which of the following is not a chemical?
A) salt
B) water
C) light
D) carbon dioxide
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E) sugar
Answer: C
Page Ref: 1.1
Learning Obj.: 1.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across
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chemistry.

5) Sodium fluorophosphate is a chemical used in toothpaste to .
A) make the paste white
B) disinfect the toothbrush
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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
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chemistry.

6) When a part of the body is injured, substances called are released.
A) aspirins
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B) pain relievers
C) nitrogen oxides
D) chlorofluorocarbons
E) prostaglandins
Answer: E
Page Ref: 1.1
Learning Obj.: 1.1
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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
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B) disinfect the toothbrush
C) keep the paste from spoiling
D) remove plaque
E) strengthen tooth enamel
Answer: A
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Page Ref: 1.1
Learning Obj.: 1.1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across
chemistry.
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8) Which of the following is a chemical?
A) sugar
B) heat
C) light
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D) noise
E) a wave
Answer: A
Page Ref: 1.1
Learning Obj.: 1.1
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Global Outcomes: G7 Demonstrate the ability to make connections between concepts across
chemistry.

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
Answer: A
Page Ref: 1.2
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Learning Obj.: 1.2
Global Outcomes: G1 Demonstrate an understanding of the principles of scientific inquiry.

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) .
A) observation
B) hypothesis
C) experiment
D) theory
E) all the above
Answer: B
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Page Ref: 1.2
Learning Obj.: 1.2
Global Outcomes: G1 Demonstrate an understanding of the principles of scientific inquiry.
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11) One way to enhance your learning in chemistry is to .
A) study a little every day
B) retest every few days
C) go to office hours
D) study different ideas at the same time
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E) all the above
Answer: E
Page Ref: 1.3
Learning Obj.: 1.3
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across
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chemistry.

12) In order to enhance your learning in chemistry, you should not .
A) study a little every day
B) form a study group
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C) go to office hours
D) retest every few days
E) wait until the night before the exam to study
Answer: E
Page Ref: 1.3
Learning Obj.: 1.3
Global Outcomes: G7 Demonstrate the ability to make connections between concepts across
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chemistry.

13) In the number 12.345, the 4 is in the place.
A) tens
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B) ones
C) tenths
D) hundredths
E) thousandths
Answer: D
Page Ref: 1.4
Learning Obj.: 1.4
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Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry.

14) In the number 12.345, the 1 is in the place.
A) tens
B) ones
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C) tenths
D) hundredths
E) thousandths
Answer: A
Page Ref: 1.4
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Learning Obj.: 1.4
Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry.
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15) In the number 12.345, the 3 is in the place.
A) tens
B) ones
C) tenths
D) hundredths
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E) thousandths
Answer: C
Page Ref: 1.4
Learning Obj.: 1.4
Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry.
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16) The product of (-4) × (-5) is .
A) -20
B) +20
C) -1
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D) +1
E) 0
Answer: B
Page Ref: 1.4
Learning Obj.: 1.4
Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry.
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17) For the equation 4 x (-3)/-2 = .
A) -6
B) +6
C) -12
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D) +12
E) 4
Answer: B
Page Ref: 1.4
Learning Obj.: 1.4
Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry.
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18) For the equation 4x + 2 = 10, x equals .
A) 8
B) 12
C) 3
D) 2
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E) -2
Answer: D
Page Ref: 1.4
Learning Obj.: 1.4
Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry.
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19) For the equation 2x +14 = -2, x equals .
A) 8
B) -8
C) 16
D) -16
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E) 6
Answer: B
Page Ref: 1.4
Learning Obj.: 1.4
Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry.
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20) For the equation -10 - (-4) = .
A) 6
B) -6
C) 14
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D) -14
E) 4
Answer: B
Page Ref: 1.4
Learning Obj.: 1.4
Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry.
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21) 12 is what percent of 36?
A) 3%
B) 30%
C) 33%
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D) 330%
E) 12%
Answer: C
Page Ref: 1.4
Learning Obj.: 1.4
Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry.
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22) Use the graph to estimate the solubility of sugar in 100 mL of water at 30 °C.
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A) 150 g
B) 200 g
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C) 215 g
D) 255 g
E) 325 g
Answer: C
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Page Ref: 1.4
Learning Obj.: 1.4
Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry.

23) Write 540 000 in scientific notation.
A) 0.54 × 106
B) 54 × 108
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C) 5.4 × 10-5
D) 5.4 × 105
E) 5.4
Answer: D
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Page Ref: 1.5
Learning Obj.: 1.5
Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry.
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