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Chapter 1-25
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Chapter1 j
j Chemistry: The Science of Change j j j j
1 . What is a unifying principle that explains a body of experimental observations?
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A. law
B. hypothesis
C. theory
D. phenomena
E. prediction
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jBloom's Level: 2. Understand
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Chapter: 01 Chemistry: The Science of Change
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jDifficulty: Easy j
Subtopic: Scientific Method Topic:
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Study of Chemistry
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2 . Which of the following is a tentative explanation for a set of observations?
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A. law
B. hypothesis
C. theory
D. phenomena
E. prediction
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jBloom's Level: 2. Understand
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Chapter: 01 Chemistry: The Science of Change
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jDifficulty: Easy j
Subtopic:Scientific Method j j
jTopic: Study of Chemistry
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3 . What is the term used for findings that are summarized based on a pattern or trend?
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A. law
B. hypothesis
C. theory
D. phenomena
E. prediction
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jBloom's Level: 2. Understand
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Chapter: 01 Chemistry: The Science of Change
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jDifficulty: Easy j
Subtopic: Scientific Method Topic:
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Study of Chemistry
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4 . Which of the following activities is not a part of good science?
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A. proposing a theory j j
B. developing a hypothesis j j
C. making quantitative observations j j
D. designing experiments j
E. indulging in speculation j j
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jBloom's Level: 2. Understand
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Chapter: 01 Chemistry: The Science of Change
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jDifficulty: Easy j
Subtopic:Scientific Method j j
jTopic: Study of Chemistry
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5 . Which of the following is a ‘substance’ according to the definition given in your textbook?
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A. air
B. tap water j
C. sea water j
D. water
E. toothpaste
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McGraw-Hill Education. j j
,Accessibility: KeyboardNavigation j j
jBloom's Level: 3. Apply j j j
Chapter: 01 Chemistry: The Science of Change
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jDifficulty: Medium j
Subtopic: Classification and States of Matter
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jSubtopic: Properties of Matter j j j
Topic: Study of Chemistry
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6. Which of the following cannot be separated into simpler substances by chemical means?
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A. element
B. emulsion
C. compound
D. homogeneous mixture j
E. heterogeneous mixture j
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jBloom's Level: 4. Analyze j j j
Chapter: 01 Chemistry: The Science of Change
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jDifficulty: Medium j
Subtopic: Classification and States of Matter
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jSubtopic: Properties of Matter j j j
Topic: Study of Chemistry
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7 . If a liquid contains 60% sugar and 40% water throughout its composition, then what is it called?
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A. solute
B. compound
C. homogeneous mixture j
D. heterogeneous mixture j
E. solvent
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jBloom's Level: 4. Analyze j j j
Chapter: 01 Chemistry: The Science of Change
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jDifficulty: Medium j
Subtopic: Classification and States of Matter
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jSubtopic: Properties of Matter Topic: j j j j
Study of Chemistry
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8 . Which of the following does not have a uniform composition throughout?
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A. element
B. compound
C. homogeneous mixture j
D. heterogeneous mixture j
E. solvent
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jBloom's Level: 3. Apply j j j
Chapter: 01 Chemistry: The Science of Change
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jDifficulty: Easy j
Subtopic: Classification and States of Matter
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jSubtopic: Properties of Matter Topic: j j j j
Study of Chemistry
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9 . Which of the following is not an SI base unit?
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A. meter
B. ampere
C. second
D. gram
E. kelvin
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jBloom's Level: 2. Understand j j j
Chapter: 01 Chemistry: The Science of Change
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jDifficulty: Medium j
Subtopic:Measurement(SIUnits) Topic: j j j j
jStudy of Chemistry j j
10 . The SI base unit of mass is
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A. mg
B. g
C. kg
D. metric ton j
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, E. lb
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jBloom's Level: 1. Remember j j j
Chapter: 01 Chemistry: The Science of Change
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jDifficulty: Medium j
Subtopic:Measurement(SIUnits) j j j
jTopic: Study of Chemistry
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11. The SI prefix mega- ( M) means j j j j j j
A. 10–6
B. 10–3
C. 103
D. 106
E. 109
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jBloom's Level: 1. Remember j j j
Chapter: 01 Chemistry: The Science of Change
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jDifficulty: Easy j
Subtopic: Measurement (SI Units) Topic:
j j j j
Study of Chemistry
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12. The SI prefixes milli- and mega- represent, respectively:
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A. 106 and 10–6 j j
B. 10–3and106 j j
C. 103 and 10–6 j j
D. 10–3and109 j j
E. 10–6and10–3 j j
Accessibility: KeyboardNavigation j j
jBloom's Level: 1. Remember j j j
Chapter: 01 Chemistry: The Science of Change
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jDifficulty: Medium j
Subtopic: Measurement (SI Units) Topic:
j j j j
Study of Chemistry
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13 . How many micrograms are in 65.3 kg?
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A. 0.653 mg j
B. 6.53 × 107 mg j j j
C. 6.53 × 104 mg j j j
D. 6.53 × 10–8mg j j j
E. 6.53 × 1010mg j j j
Accessibility: KeyboardNavigation j j
jBloom's Level: 3. Apply j j j
Chapter: 01 Chemistry: The Science of Change
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jDifficulty: Hard j
Subtopic: Dimensional Analysis j j
jSubtopic:Measurement(SIUnits) j j j
Subtopic:Scientific Notation and Significant Figures
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jTopic: Study of Chemistry
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14 . A dose of medication was prescribed to be 35 microliters. Which of the following expresses that volume in centiliters?
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A. 3.5 × 105 cL j j j
B. 3.5 × 104 cL j j j
C. 3.5 cL j
D. 3.5 ×10–4 cL j j j
E. 3.5 ×10–3 cL j j j
Accessibility: KeyboardNavigation j j
jBloom's Level: 3. Apply j j j
Chapter: 01 Chemistry: The Science of Change
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jDifficulty: Hard j
Subtopic: Dimensional Analysis j j
jSubtopic:Measurement(SIUnits) j j j
Subtopic:ScientificNotation and Significant FiguresTopic:
j j j j j j
jStudy of Chemistry
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15 . How many milliliters is 0.0055 L?
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A. 0.55 mL j
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