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, An Introduction to General, Organic, and Biological Chemistry, 13e (Timberlake)
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Chapter 1 Chemistry in Our Lives
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ALL ANSWERS INCLUDED ⬛ ⬛ ⬛
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1.1 Mu l t i p l e - Choice Questions
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1) Water, H2O, is an example of a(n)
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A) chemical
B) solid
C) wave
D) electric charge S1
E) element
Answer:
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A Page
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Ref: 1.1
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Learning Obj.: 1.1 S1 S 1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts
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across chemistry.
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2) In this list, which substance can be classified as a chemical?
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A) salt
B) sleep
C) cold
D) heat
E) temperature
Answer: A
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Page Ref:
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1.1
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Learning Obj.: 1.1 S1 S 1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts
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across chemistry.
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3) One example of a chemical used in toothpaste is
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A) chlorine
B) sulfur
C) carbon dioxide S1
D) calcium carbonate S1
E) sugar
Answer:
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D Page
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Ref: 1.1
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Learning Obj.: 1.1 S1 S 1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts
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across chemistry.
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,4) Which of the following is not a chemical?
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A) salt
B) water
C) light
D) carbon dioxide S1
E) sugar
Answer:
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C Page
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Ref: 1.1
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Learning Obj.: 1.1 S1 S 1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts
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across chemistry.
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5) Sodium fluorophosphate is a chemical used in toothpaste to
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A) make the paste white
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B) disinfect the toothbrush S1 S1
C) keep the paste from spoiling
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D) remove plaque S1
E) strengthen tooth enamel S1 S1
Answer: E
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Page Ref: 1.1
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Learning Obj.: 1.1 S1 S 1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts
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across chemistry.
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6) When a part of the body is injured, substances called
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A) aspirins
B) pain relieversS1
C) nitrogen oxides S1
D) chlorofluorocarbons
E) prostaglandins
Answer: E
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Page Ref: 1.1
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Learning Obj.: 1.1 S1 S 1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts
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across chemistry.
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7) Titanium dioxide is a chemical used in toothpaste to
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A) make the paste white
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B) disinfect the toothbrush S1 S1
C) keep the paste from spoiling
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D) remove plaque S1
E) strengthen tooth enamel S1 S1
Answer: A
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Page Ref: 1.1
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Learning Obj.: 1.1 S1 S 1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts
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across chemistry.
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, 8) Which of the following is a chemical?
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A) sugar
B) heat
C) light
D) noise
E) a wave S1
Answer:
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A Page
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Ref: 1.1
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Learning Obj.: 1.1 S1 S 1
Global Outcomes: G7 Demonstrate the ability to make connections between concepts
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across chemistry.
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9) You notice that there is more traffic between 8 and 9 in the morning. This would be
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a(n)
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.
A) observation
B) hypothesis
C) experiment
D) theory
E) all the S1
above
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Answer: A
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Page Ref: 1.2
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Learning Obj.: 1.2 S1 S 1
Global Outcomes: G1 Demonstrate an understanding of the principles of scientific
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inquiry.
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10) There is more traffic between 8 and 9 in the morning because most people start work
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at 9. This would be a(n) .
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A) observation
B) hypothesis
C) experiment
D) theory
E) all the S1
above
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Answer: B
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Page Ref: 1.2
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Learning Obj.: 1.2 S1 S 1
Global Outcomes: G1 Demonstrate an understanding of the principles of scientific
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inquiry.
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