TEST BANK
Chemistry in Focus: A Molecular View of Our World
Nivaldo Tro
6th Edition
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,Table of Contents
1. Molecular Reasons
2. The Chemist’s Toolbox
3. Atoms and Elements
4. Molecules, Compounds, and Chemical Reactions
5. Chemical Bonding
6. Organic Chemistry
7. Light and Color
8. Nuclear Chemistry
9. Energy for Today
10. Energy for Tomorrow: Solar and Other Renewable Energy Sources
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11. The Air Around Us
12. The Liquids and Solids Around Us: Especially Water
13. Acids and Bases: The Molecules Responsible for Sour and Bitter
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14. Oxidation and Reduction
15. The Chemistry of Household Products
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16. Biochemistry and Biotechnology
17. Drugs and Medicine: Healing, Helping, and Hurting
18. The Chemistry of Food
19. Nanotechnology
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Appendix 1: Significant Figures
Appendix 2: Answers to Selected Exercises
Appendix 3: Answers to Your Turn Questions
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Glossary
Index
,Chapter 01 - Molecular Reasons
1. Which of these is the best definition of matter?
a. The pull of gravity on an object.
b. Anything that has weight and volume.
c. Anything that has mass and occupies space.
d. Anything that is directly proportional to weight.
e. The measure of the amount of space an object occupies.
ANSWER: c
POINTS: 1
2. Which of these statements is correct?
a. The amount of carbon on earth is essentially constant.
b. The amount of carbon on earth fluctuates with the seasons.
c. The amount of carbon on earth is increasing due to plant and animal growth.
d. The amount of carbon on earth is decreasing due to consumption of carbon based fuels.
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e. Both B and C are correct.
ANSWER: a
POINTS: 1
3. The French chemist Antoine Lavoisier found that the weight of objects before burning and the weight of the products
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after burning were equal. He concluded that the total weight did not change during a process. Which of these best
describes Lavoisier's conclusion?
a. From observation, Lavoisier created a scientific law.
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b. From observation, Lavoisier created a scientific theory.
c. From scientific law, Lavoisier created a scientific theory.
d. From experimentation, Lavoisier created a scientific law.
e. From observation, Lavoisier created a scientific conclusion.
ANSWER: a
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POINTS: 1
4. When using the scientific method, before experiments are done a should be established.
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a. hypothesis
b. law
c. theory
d. conclusion
ANSWER: a
POINTS: 1
5. A statement which summarizes the data obtained from a series of observations is known as a(n) .
a. observation
b. law
c. theory
d. conclusion
e. experiment
ANSWER: b
, POINTS: 1
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FD
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Chemistry in Focus: A Molecular View of Our World
Nivaldo Tro
6th Edition
PR
O
FD
O
C
,Table of Contents
1. Molecular Reasons
2. The Chemist’s Toolbox
3. Atoms and Elements
4. Molecules, Compounds, and Chemical Reactions
5. Chemical Bonding
6. Organic Chemistry
7. Light and Color
8. Nuclear Chemistry
9. Energy for Today
10. Energy for Tomorrow: Solar and Other Renewable Energy Sources
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11. The Air Around Us
12. The Liquids and Solids Around Us: Especially Water
13. Acids and Bases: The Molecules Responsible for Sour and Bitter
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14. Oxidation and Reduction
15. The Chemistry of Household Products
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16. Biochemistry and Biotechnology
17. Drugs and Medicine: Healing, Helping, and Hurting
18. The Chemistry of Food
19. Nanotechnology
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Appendix 1: Significant Figures
Appendix 2: Answers to Selected Exercises
Appendix 3: Answers to Your Turn Questions
C
Glossary
Index
,Chapter 01 - Molecular Reasons
1. Which of these is the best definition of matter?
a. The pull of gravity on an object.
b. Anything that has weight and volume.
c. Anything that has mass and occupies space.
d. Anything that is directly proportional to weight.
e. The measure of the amount of space an object occupies.
ANSWER: c
POINTS: 1
2. Which of these statements is correct?
a. The amount of carbon on earth is essentially constant.
b. The amount of carbon on earth fluctuates with the seasons.
c. The amount of carbon on earth is increasing due to plant and animal growth.
d. The amount of carbon on earth is decreasing due to consumption of carbon based fuels.
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e. Both B and C are correct.
ANSWER: a
POINTS: 1
3. The French chemist Antoine Lavoisier found that the weight of objects before burning and the weight of the products
O
after burning were equal. He concluded that the total weight did not change during a process. Which of these best
describes Lavoisier's conclusion?
a. From observation, Lavoisier created a scientific law.
FD
b. From observation, Lavoisier created a scientific theory.
c. From scientific law, Lavoisier created a scientific theory.
d. From experimentation, Lavoisier created a scientific law.
e. From observation, Lavoisier created a scientific conclusion.
ANSWER: a
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POINTS: 1
4. When using the scientific method, before experiments are done a should be established.
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a. hypothesis
b. law
c. theory
d. conclusion
ANSWER: a
POINTS: 1
5. A statement which summarizes the data obtained from a series of observations is known as a(n) .
a. observation
b. law
c. theory
d. conclusion
e. experiment
ANSWER: b
, POINTS: 1
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