General, Organic,
and Biological
Chemistry
Structures of Life,
6e Karen
Timberlake (Test
Bank All Chapters)
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,General, Organic and Biological Chemistry: Structures of Life, 6e, (Timberlake)
Chapter 1 Chemistry in Our Lives
1.1 Multiple-Choice Questions
1) Water, H2O, is an example of a(n)
A) chemical.
B) type of energy.
C) wave.
D) electric charge.
E) element.
Answer: A
Objective: 1.1
Global Outcomes: GO2
2) In this list, which substance can be classified as a chemical?
A) salt
B) sleep
C) cold
D) heat
E) temperature
Answer: A
Objective: 1.1
Global Outcomes: GO2
3) One example of a chemical used in toothpaste is
A) chlorine.
B) sulfur.
C) carbon dioxide.
D) calcium carbonate.
E) sugar.
Answer: D
Objective: 1.1
Global Outcomes: GO2
4) Which of the following is NOT a chemical?
A) salt
B) water
C) light
D) carbon dioxide
E) sugar
Answer: C
Objective: 1.1
Global Outcomes: GO2
1
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,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
Objective: 1.1
Global Outcomes: GO2
6) Titanium dioxide is a chemical used in toothpaste to
A) make the toothpaste white.
B) disinfect the toothbrush.
C) keep the paste from spoiling.
D) remove plaque.
E) strengthen tooth enamel.
Answer: A
Objective: 1.1
Global Outcomes: GO2
7) 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
Objective: 1.1
Global Outcomes: GO2
8) Which of the following is a chemical?
A) sugar
B) heat
C) light
D) noise
E) sound
Answer: A
Objective: 1.1
Global Outcomes: GO2
2
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,9) You notice that there is more traffic between 8:00 and 9:00 AM. This would be a(n)
A) observation.
B) hypothesis.
C) experiment.
D) conclusion/theory.
Answer: A
Objective: 1.2
Global Outcomes: GO1
10) There is more traffic between 8:00 and 9:00 AM because most people start work at 9:00 AM.
This would be a(n)
A) observation.
B) hypothesis.
C) experiment.
D) conclusion/theory.
Answer: B
Objective: 1.2
Global Outcomes: GO1
11) In order to enhance your learning in chemistry, you should NOT
A) study a little every day.
B) form a study group.
C) go to professor's office hours.
D) be an active learner.
E) wait until the night before the exam to study.
Answer: E
Objective: 1.3
Global Outcomes: GO2
12) Which of the following would NOT be part of a study plan to learn chemistry?
A) study a little every day
B) skip your professor's office hours
C) form a study group
D) read the chapter before class
E) work the sample problems
Answer: B
Objective: 1.3
Global Outcomes: GO2
3
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,13) In the number 12.345, the 4 is in the ________ place.
A) tens
B) ones
C) tenths
D) hundredths
E) thousandths
Answer: D
Objective: 1.4
Global Outcomes: GO4
14) In the number 12.345, the 1 is in the ________ place.
A) tens
B) ones
C) tenths
D) hundredths
E) thousandths
Answer: A
Objective: 1.4
Global Outcomes: GO4
15) In the number 12.345, the 3 is in the ________ place.
A) tens
B) ones
C) tenths
D) hundredths
E) thousandths
Answer: C
Objective: 1.4
Global Outcomes: GO4
16) The product of (-4) × (-5) is
A) -20
B) .20
C) -1
D) .1
E) 0
Answer: B
Objective: 1.4
Global Outcomes: GO4
4
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,17) For the equation 4x + 2 = 10 , x equals
A) 8
B) 12
C) 3
D) 2
E) -2
Answer: D
Objective: 1.4
Global Outcomes: GO4
18) For the equation 6y -20 = -2 , y equals
A) 2
B) -3
C) 3
D) 4
E) -2
Answer: C
Objective: 1.4
Global Outcomes: GO4
19) For the equation : -10 - (-4) =
A) 6
B) -6
C) 14
D) -14
E) 4
Answer: B
Objective: 1.4
Global Outcomes: GO4
20) 12 is what percentage of 36?
A) 3%
B) 30%
C) 33%
D) 330%
E) 12%
Answer: C
Objective: 1.4
Global Outcomes: GO4
5
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,21) 16 is what percentage of 80?
A) 200%
B) 20%
C) 2%
D) 5%
E) 50%
Answer: B
Objective: 1.4
Global Outcomes: GO4
22) On the graph, what is the temperature after 40 minutes?
A) 26 °C
B) 36 °C
C) 40 °C
D) 44 °C
E) 57 °C
Answer: D
Objective: 1.4
Global Outcomes: GO4
6
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,23) On the graph, how long does it take to cool to from 80 °C go 45 °C?
A) 25 min
B) 35 min
C) 42 min
D) 60 min
E) 75 min
Answer: C
Objective: 1.4
Global Outcomes: GO4
24) Written in scientific notation, 540 000 is
A) 0.54 × 106.
B) 54 × 108.
C) 5.4 × 10-5.
D) 5.4 × 105.
E) 5.4.
Answer: D
Objective: 1.5
Global Outcomes: GO4
7
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,25) Written in scientific notation, 8300 is
A) 8.3 × 102.
B) 8.3 × 103.
C) 8.3 × 104.
D) 8.3 × 10-3.
E) 8.3 × 10-2.
Answer: B
Objective: 1.5
Global Outcomes: GO4
26) Written in scientific notation, 0.000 000 33 is
A) 3.3 × 107.
B) 3.3 × 10-7.
C) 3.3 × 10-8.
D) 3.3 × 108.
E) 3.3.
Answer: B
Objective: 1.5
Global Outcomes: GO4
27) Written in scientific notation, 0.000 004 03 is
A) 4.03 × 10-7.
B) 4.03 × 10-6.
C) 4.03 × 106.
D) 0.403 × 10-5.
E) 4.03.
Answer: B
Objective: 1.5
Global Outcomes: GO4
1.2 Short Answer Questions
1) A substance that always has the same composition and properties is called a(n) ________.
Answer: chemical
Objective: 1.1
Global Outcomes: GO2
2) Any material used in or produced by a chemical reaction is a(n) ________.
Answer: chemical
Objective: 1.1
Global Outcomes: GO2
8
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, 3) An abrasive used in toothpaste is ________.
Answer: calcium carbonate
Objective: 1.1
Global Outcomes: GO2
4) The substances released when tissues are injured are ________.
Answer: prostaglandins
Objective: 1.1
Global Outcomes: GO2
5) The chemical used to make cans and foil is ________.
Answer: aluminum
Objective: 1.1
Global Outcomes: GO2
6) The first step in the scientific method is to ________.
Answer: make observations
Objective: 1.2
Global Outcomes: GO2
7) The second step in the scientific method is to ________.
Answer: form a hypothesis
Objective: 1.2
Global Outcomes: GO2
8) In the number 45.678, the digit 6 is in the ________ place.
Answer: tenths
Objective: 1.4
Global Outcomes: GO4
9) 40 students complete the first semester chemistry course. If 32 students take the second semester
class, ____% are taking this class.
Answer: 80
Objective: 1.4
Global Outcomes: GO4
10) Express using scientific notation: 351 000 000 000
Answer: 3.51 × 1011
Objective: 1.5
Global Outcomes: GO4
11) Express using scientific notation: 0.000 860
Answer: 8.60 × 10-4
Objective: 1.5
Global Outcomes: GO4
9
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and Biological
Chemistry
Structures of Life,
6e Karen
Timberlake (Test
Bank All Chapters)
Downloaded by: tutorsection | Want to earn $1.236
Distribution of this document is illegal extra per year?
,General, Organic and Biological Chemistry: Structures of Life, 6e, (Timberlake)
Chapter 1 Chemistry in Our Lives
1.1 Multiple-Choice Questions
1) Water, H2O, is an example of a(n)
A) chemical.
B) type of energy.
C) wave.
D) electric charge.
E) element.
Answer: A
Objective: 1.1
Global Outcomes: GO2
2) In this list, which substance can be classified as a chemical?
A) salt
B) sleep
C) cold
D) heat
E) temperature
Answer: A
Objective: 1.1
Global Outcomes: GO2
3) One example of a chemical used in toothpaste is
A) chlorine.
B) sulfur.
C) carbon dioxide.
D) calcium carbonate.
E) sugar.
Answer: D
Objective: 1.1
Global Outcomes: GO2
4) Which of the following is NOT a chemical?
A) salt
B) water
C) light
D) carbon dioxide
E) sugar
Answer: C
Objective: 1.1
Global Outcomes: GO2
1
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,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
Objective: 1.1
Global Outcomes: GO2
6) Titanium dioxide is a chemical used in toothpaste to
A) make the toothpaste white.
B) disinfect the toothbrush.
C) keep the paste from spoiling.
D) remove plaque.
E) strengthen tooth enamel.
Answer: A
Objective: 1.1
Global Outcomes: GO2
7) 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
Objective: 1.1
Global Outcomes: GO2
8) Which of the following is a chemical?
A) sugar
B) heat
C) light
D) noise
E) sound
Answer: A
Objective: 1.1
Global Outcomes: GO2
2
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,9) You notice that there is more traffic between 8:00 and 9:00 AM. This would be a(n)
A) observation.
B) hypothesis.
C) experiment.
D) conclusion/theory.
Answer: A
Objective: 1.2
Global Outcomes: GO1
10) There is more traffic between 8:00 and 9:00 AM because most people start work at 9:00 AM.
This would be a(n)
A) observation.
B) hypothesis.
C) experiment.
D) conclusion/theory.
Answer: B
Objective: 1.2
Global Outcomes: GO1
11) In order to enhance your learning in chemistry, you should NOT
A) study a little every day.
B) form a study group.
C) go to professor's office hours.
D) be an active learner.
E) wait until the night before the exam to study.
Answer: E
Objective: 1.3
Global Outcomes: GO2
12) Which of the following would NOT be part of a study plan to learn chemistry?
A) study a little every day
B) skip your professor's office hours
C) form a study group
D) read the chapter before class
E) work the sample problems
Answer: B
Objective: 1.3
Global Outcomes: GO2
3
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,13) In the number 12.345, the 4 is in the ________ place.
A) tens
B) ones
C) tenths
D) hundredths
E) thousandths
Answer: D
Objective: 1.4
Global Outcomes: GO4
14) In the number 12.345, the 1 is in the ________ place.
A) tens
B) ones
C) tenths
D) hundredths
E) thousandths
Answer: A
Objective: 1.4
Global Outcomes: GO4
15) In the number 12.345, the 3 is in the ________ place.
A) tens
B) ones
C) tenths
D) hundredths
E) thousandths
Answer: C
Objective: 1.4
Global Outcomes: GO4
16) The product of (-4) × (-5) is
A) -20
B) .20
C) -1
D) .1
E) 0
Answer: B
Objective: 1.4
Global Outcomes: GO4
4
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,17) For the equation 4x + 2 = 10 , x equals
A) 8
B) 12
C) 3
D) 2
E) -2
Answer: D
Objective: 1.4
Global Outcomes: GO4
18) For the equation 6y -20 = -2 , y equals
A) 2
B) -3
C) 3
D) 4
E) -2
Answer: C
Objective: 1.4
Global Outcomes: GO4
19) For the equation : -10 - (-4) =
A) 6
B) -6
C) 14
D) -14
E) 4
Answer: B
Objective: 1.4
Global Outcomes: GO4
20) 12 is what percentage of 36?
A) 3%
B) 30%
C) 33%
D) 330%
E) 12%
Answer: C
Objective: 1.4
Global Outcomes: GO4
5
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,21) 16 is what percentage of 80?
A) 200%
B) 20%
C) 2%
D) 5%
E) 50%
Answer: B
Objective: 1.4
Global Outcomes: GO4
22) On the graph, what is the temperature after 40 minutes?
A) 26 °C
B) 36 °C
C) 40 °C
D) 44 °C
E) 57 °C
Answer: D
Objective: 1.4
Global Outcomes: GO4
6
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,23) On the graph, how long does it take to cool to from 80 °C go 45 °C?
A) 25 min
B) 35 min
C) 42 min
D) 60 min
E) 75 min
Answer: C
Objective: 1.4
Global Outcomes: GO4
24) Written in scientific notation, 540 000 is
A) 0.54 × 106.
B) 54 × 108.
C) 5.4 × 10-5.
D) 5.4 × 105.
E) 5.4.
Answer: D
Objective: 1.5
Global Outcomes: GO4
7
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,25) Written in scientific notation, 8300 is
A) 8.3 × 102.
B) 8.3 × 103.
C) 8.3 × 104.
D) 8.3 × 10-3.
E) 8.3 × 10-2.
Answer: B
Objective: 1.5
Global Outcomes: GO4
26) Written in scientific notation, 0.000 000 33 is
A) 3.3 × 107.
B) 3.3 × 10-7.
C) 3.3 × 10-8.
D) 3.3 × 108.
E) 3.3.
Answer: B
Objective: 1.5
Global Outcomes: GO4
27) Written in scientific notation, 0.000 004 03 is
A) 4.03 × 10-7.
B) 4.03 × 10-6.
C) 4.03 × 106.
D) 0.403 × 10-5.
E) 4.03.
Answer: B
Objective: 1.5
Global Outcomes: GO4
1.2 Short Answer Questions
1) A substance that always has the same composition and properties is called a(n) ________.
Answer: chemical
Objective: 1.1
Global Outcomes: GO2
2) Any material used in or produced by a chemical reaction is a(n) ________.
Answer: chemical
Objective: 1.1
Global Outcomes: GO2
8
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, 3) An abrasive used in toothpaste is ________.
Answer: calcium carbonate
Objective: 1.1
Global Outcomes: GO2
4) The substances released when tissues are injured are ________.
Answer: prostaglandins
Objective: 1.1
Global Outcomes: GO2
5) The chemical used to make cans and foil is ________.
Answer: aluminum
Objective: 1.1
Global Outcomes: GO2
6) The first step in the scientific method is to ________.
Answer: make observations
Objective: 1.2
Global Outcomes: GO2
7) The second step in the scientific method is to ________.
Answer: form a hypothesis
Objective: 1.2
Global Outcomes: GO2
8) In the number 45.678, the digit 6 is in the ________ place.
Answer: tenths
Objective: 1.4
Global Outcomes: GO4
9) 40 students complete the first semester chemistry course. If 32 students take the second semester
class, ____% are taking this class.
Answer: 80
Objective: 1.4
Global Outcomes: GO4
10) Express using scientific notation: 351 000 000 000
Answer: 3.51 × 1011
Objective: 1.5
Global Outcomes: GO4
11) Express using scientific notation: 0.000 860
Answer: 8.60 × 10-4
Objective: 1.5
Global Outcomes: GO4
9
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