Chemistry An Introduction to General Organic and Biological Chemistry 12th Edition By Timberlake – Test Bank

Chapter 1   Chemistry in Our Lives

1.1   Multiple-Choice Questions

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

1. A) chemical
2. B) solid
3. C) wave
4. D) electric charge
5. 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?

1. A) salt
2. B) sleep
3. C) cold
4. D) heat
5. 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 ________.

1. A) chlorine
2. B) sulfur
3. C) carbon dioxide
4. D) calcium carbonate
5. 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?

1. A) salt
2. B) water
3. C) light
4. D) carbon dioxide
5. 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 ________.

1. A) make the paste white
2. B) disinfect the toothbrush
3. C) keep the paste from spoiling
4. D) remove plaque
5. 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.