TEST BANK for Introduction to General, Organic and Biochemistry, 12th Edition, by Bettelheim, Brown, Campbell &Torres.

,Chapter 1
1. Which of the following is an example of matter?
a. the light of a flame
b. the sound of thunder
c. the air you breathe
d. None of these are matter.
ANSWER: c
TOPICS: 1.1 - CHEMISTRY AND STUDY OF MATTER
KEYWORDS: BLOOM'S: REMEMBER

2. Which of the following is not an example of matter?
a. the air in your lungs
b. the blood in your arteries
c. the sunlight coming through the window
d. None; all of these are matter.
ANSWER: c
TOPICS: 1.1 - CHEMISTRY AND STUDY OF MATTER
KEYWORDS: BLOOM'S: REMEMBER

3. Which of the following is a chemical property of water?
a. Water vapor has no definite volume.
b. Water has a density of 1000 kg/m3.
c. Water reacts violently with potassium.
d. Ice floats in water.
ANSWER: c
TOPICS: 1.1 - CHEMISTRY AND STUDY OF MATTER
KEYWORDS: BLOOM'S: REMEMBER

4. Which of the following is a chemical property of gold?
a. characteristic color
b. electrical conductivity
c. lack of reactivity
d. None; they are all physical properties.
ANSWER: c
TOPICS: 1.1 - CHEMISTRY AND STUDY OF MATTER
KEYWORDS: BLOOM'S: UNDERSTAND

5. Which of the following is not a physical property of copper?
a. characteristic color
b. density
c. electrical conductivity
d. tarnishing of copper
ANSWER: d
TOPICS: 1.1 - CHEMISTRY AND STUDY OF MATTER
KEYWORDS: BLOOM'S: UNDERSTAND

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,Chapter 1
6. Which of the following is not a chemical change?
a. rusting of an iron statue
b. burning of paper
c. curdling of milk
d. evaporation of river water
ANSWER: d
TOPICS: 1.1 - CHEMISTRY AND STUDY OF MATTER
KEYWORDS: BLOOM'S: UNDERSTAND

7. Which of the following represents a physical change?
a. stretching of a silver wire
b. tarnishing of silver
c. both stretching of a silver wire and tarnishing of silver
d. neither stretching of a silver wire and tarnishing of silver
ANSWER: a
TOPICS: 1.1 - CHEMISTRY AND STUDY OF MATTER
KEYWORDS: BLOOM'S: UNDERSTAND

8. Which of the following represents a physical change?
a. boiling of water
b. decomposition of a dead organism
c. both boiling of water and decomposition of a dead organism
d. neither boiling of water or decomposition of a dead organism
ANSWER: a
TOPICS: 1.1 - CHEMISTRY AND STUDY OF MATTER
KEYWORDS: BLOOM'S: UNDERSTAND

9. Which of the following represents a physical change?
a. burning of fuel oil
b. melting of ice
c. both burning of fuel oil and melting of ice
d. neither burning of fuel oil or melting of ice
ANSWER: b
TOPICS: 1.1 - CHEMISTRY AND STUDY OF MATTER
KEYWORDS: BLOOM'S: UNDERSTAND

10. Which of the following is synonymous with "fact"?
a. a hypothesis
b. an observation that is reproducible
c. an observation that is not reproducible
d. none of these
ANSWER: b
TOPICS: 1.2 - THE SCIENTIFIC METHOD
KEYWORDS: BLOOM'S: REMEMBER

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, Chapter 1
11. Which of the following is not true of a hypothesis?
a. It is a tentative idea or explanation that cannot be disproved by an experiment.
b. It is a tentative idea or explanation that cannot be proven by an experiment.
c. It is a tentative idea that can either be proven or disproved by an experiment.
d. It is a belief that is not based on facts and is asserted without any proof.
ANSWER: d
TOPICS: 1.2 - THE SCIENTIFIC METHOD
KEYWORDS: BLOOM'S: UNDERSTAND

12. Which of the following best describes a scientific theory?
a. It is just one of many ways of looking at things.
b. It is a point of view that cannot be challenged.
c. It is a widely accepted explanation of some phenomenon supported by a large amount of experimental data
and is therefore definitely correct.
d. It is a widely accepted explanation of some phenomenon supported by a large amount of experimental data,
but it can be shown to be incorrect by a single experiment that yields results that contradict it.
ANSWER: d
TOPICS: 1.2 - THE SCIENTIFIC METHOD
KEYWORDS: BLOOM'S: UNDERSTAND

13. The area of Russia is approximately 17.1 million square miles. Which of the following correctly represents this
number in scientific notation?
a. 1.71 × 105
b. 1.71 × 106
c. 1.71 × 107
d. 1.71 × 108
ANSWER: c
TOPICS: 1.3 - REPORTING NUMBERS IN SCIENCE
KEYWORDS: BLOOM'S: UNDERSTAND

14. During its orbit, the Earth's minimum distance from the sun is approximately 148 million kilometers. Which of the
following correctly represents this number in scientific notation?
a. 1.48 × 105
b. 1.48 × 106
c. 1.48 × 107
d. 1.48 × 108
ANSWER: d
TOPICS: 1.3 - REPORTING NUMBERS IN SCIENCE
KEYWORDS: BLOOM'S: UNDERSTAND

15. In one second, light travels 2.998 × 108 meters. Which of the following is the correct way to write this in conventional
notation?
a. 0.00000002998 m/s
b. 2,998,000 m/s
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