1.1 Multiple-Choice Questions

1  Copyright © 2019 Pearson Education, Ltd.Chapter 1 Chemistry in Our Lives

1.1 Multiple-Choice Questions

1) Water, H2O, is an example of a(n) ________.

• chemical
• solid
• wave
• electric charge
• 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?

• salt
• sleep
• cold
• heat
• 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 ________.

• chlorine
• sulfur
• carbon dioxide
• calcium carbonate
• sugar

Answer: D

Page Ref: 1.1

Learning Obj.: 1.1

Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry.

(Chemistry An Introduction to General, Organic, and Biological Chemistry, 13e Karen Timberlake ) (Test Bank all Chapters) 1 / 4

2  Copyright © 2019 Pearson Education, Ltd.4) Which of the following is not a chemical?

• salt
• water
• light
• carbon dioxide
• 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 ________.

• make the paste white
• disinfect the toothbrush
• keep the paste from spoiling
• remove plaque
• 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.

• aspirins
• pain relievers
• nitrogen oxides
• chlorofluorocarbons
• 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 ________.

• make the paste white
• disinfect the toothbrush
• keep the paste from spoiling
• remove plaque
• 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. 2 / 4

3  Copyright © 2019 Pearson Education, Ltd.

8) Which of the following is a chemical?

• sugar
• heat
• light
• noise
• a wave

Answer: A

Page Ref: 1.1

Learning Obj.: 1.1

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)

________.

• observation
• hypothesis
• experiment
• theory
• all the above

Answer: A

Page Ref: 1.2

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.This would be a(n) ________.

• observation
• hypothesis
• experiment
• theory
• all the above

Answer: B

Page Ref: 1.2

Learning Obj.: 1.2

Global Outcomes: G1 Demonstrate an understanding of the principles of scientific inquiry.

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4  Copyright © 2019 Pearson Education, Ltd.11) One way to enhance your learning in chemistry is to ________.

• study a little every day
• retest every few days
• go to office hours
• study different ideas at the same time
• 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 chemistry.

12) In order to enhance your learning in chemistry, you should not ________.

• study a little every day
• form a study group
• go to office hours
• retest every few days
• 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 chemistry.13) In the number 12.345, the 4 is in the ________ place.

• tens
• ones
• tenths
• hundredths
• thousandths

Answer: D

Page Ref: 1.4

Learning Obj.: 1.4

Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry.

14) In the number 12.345, the 1 is in the ________ place.

• tens
• ones
• tenths
• hundredths
• thousandths

Answer: A

Page Ref: 1.4

Learning Obj.: 1.4

Global Outcomes: G4 Demonstrate the quantitative skills needed to succeed in chemistry.

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