General, Organic, And Biological Chemistry Structu
General, Organic, and Biological Chemistry Structu
Exam (elaborations)
General, Organic, and Biological Chemistry Structures of Life 6th Edition (Global Edition) By Karen Timberlake (Test Bank)
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General, Organic, and Biological Chemistry Structu
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General, Organic, And Biological Chemistry Structu
General, Organic, and Biological Chemistry Structures of Life, 6e (Global Edition) Karen Timberlake (Test Bank)
General, Organic, and Biological Chemistry Structures of Life, 6e (Global Edition) Karen Timberlake (Test Bank)
(General, Organic, and Biological Chemistry Structures of Life, 6e (Global Edition) Karen Timberlake)
(Test Bank all Chapters)
General, Organic and Biological Chemistry: Structures of Life, 6e, Global Edition (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
,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
,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
, 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
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