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Chapter 1-25
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Chapter1 d
Chemistry:The Scienceof Change
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1 . What is a unifying principle that explains a bodyof experimental observations?
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A. law
B. hypothesis
C. theory
D. phenomena
E. prediction
Accessibility:KeyboardNavigation d d
dBloom's Level: 2. Understand
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Chapter:01Chemistry:TheScience of Change
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dDifficulty:Easy d
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
Accessibility:KeyboardNavigation d d
dBloom's Level: 2. Understand
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Chapter:01Chemistry:TheScience of Change
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dDifficulty:Easy d
Subtopic:ScientificMethod d d
dTopic: Study of Chemistry
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3 .What is the termused 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
Accessibility:KeyboardNavigation d d
dBloom's Level: 2. Understand
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Chapter:01Chemistry:TheScience of Change
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dDifficulty:Easy d
Subtopic: Scientific Method Topic:
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Study of Chemistry
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4 . Which of the following activities is not apart of good science?
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A. proposing a theory d d
B. developing a hypothesis d d
C. making quantitative observations d d
D. designing experiments d
E. indulging in speculation d d
Accessibility:KeyboardNavigation d d
dBloom's Level: 2. Understand
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Chapter:01Chemistry:TheScience of Change
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dDifficulty:Easy d
Subtopic:ScientificMethod d d
dTopic: 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 d
C. sea water d
D. water
E. toothpaste
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Copyright © 2018 McGraw-Hill Education. All rights reserved. No reproduction or distribution without thepriorwritten consent of
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McGraw-Hill Education. d d
,Accessibility:KeyboardNavigation d d
dBloom's Level: 3. Apply d d d
Chapter:01Chemistry:TheScience of Change
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dDifficulty:Medium d
Subtopic:ClassificationandStates of Matter Subtopic:
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Properties of Matter
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Topic: Study of Chemistry
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6. Whichofthe following cannot be separated into simpler substances bychemical means?
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A. element
B. emulsion
C. compound
D. homogeneous mixture d
E. heterogeneous mixture d
Accessibility:KeyboardNavigation d d
dBloom's Level: 4. Analyze d d d
Chapter:01Chemistry:TheScience of Change
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dDifficulty:Medium d
Subtopic:ClassificationandStates of Matter Subtopic:
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Properties of Matter
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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 d
D. heterogeneous mixture d
E. solvent
Accessibility:KeyboardNavigation d d
dBloom's Level: 4. Analyze d d d
Chapter:01Chemistry:TheScience of Change
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dDifficulty:Medium d
Subtopic:ClassificationandStates of Matter Subtopic:
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Properties of Matter Topic:
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Study of Chemistry
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8 . Which of the following does not have a uniformcomposition throughout?
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A. element
B. compound
C. homogeneous mixture d
D. heterogeneous mixture d
E. solvent
Accessibility:KeyboardNavigation d d
dBloom's Level: 3. Apply d d d
Chapter:01Chemistry:TheScience of Change
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dDifficulty:Easy d
Subtopic:ClassificationandStates of Matter Subtopic:
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Properties of Matter Topic:
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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
Accessibility:KeyboardNavigation d d
dBloom's Level: 2. Understand d d d
Chapter:01Chemistry:TheScience of Change
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dDifficulty:Medium d
Subtopic:Measurement(SIUnits) Topic:
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Study of Chemistry
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10 . The SI base unit of mass is
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A. mg
B. g
C. kg
D. metricton d
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Copyright © 2018 McGraw-Hill Education. All rights reserved. No reproduction or distribution without thepriorwritten consent of
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McGraw-Hill Education. d d
, E. lb
Accessibility:KeyboardNavigation d d
dBloom's Level: 1. Remember d d d
Chapter:01Chemistry:TheScience of Change
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dDifficulty:Medium d
Subtopic:Measurement(SIUnits) d d d
dTopic: Study of Chemistry
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11. TheSI prefix mega- ( M) means d d d d d d
A. 10–6
B. 10–3
C. 103
D. 106
E. 109
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dBloom's Level: 1. Remember d d d
Chapter:01Chemistry:TheScience of Change
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dDifficulty:Easy d
Subtopic: Measurement (SI Units) Topic: d d d d
Study of Chemistry
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12. The SIprefixes milli- and mega- represent, respectively:
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A. 106and10–6 d d
B. 10–3and106 d d
C. 103and10–6 d d
D. 10–3and109 d d
E. 10–6and10–3 d d
Accessibility:KeyboardNavigation d d
dBloom's Level: 1. Remember d d d
Chapter:01Chemistry:TheScience of Change
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dDifficulty:Medium d
Subtopic: Measurement (SI Units) Topic: d d d d
Study of Chemistry
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13 .Howmany micrograms are in 65.3 kg?
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A. 0.653 mg d
B. 6.53 ×107 mg d d d
C. 6.53 ×104 mg d d d
D. 6.53×10–8mg d d d
E. 6.53×1010mg d d d
Accessibility:KeyboardNavigation d d
dBloom's Level: 3. Apply d d d
Chapter:01Chemistry:TheScience of Change
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dDifficulty:Hard d
Subtopic: Dimensional Analysis d d
dSubtopic:Measurement(SIUnits) d d d
Subtopic:ScientificNotationandSignificant Figures
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dTopic: 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 d d d
B. 3.5 ×104 cL d d d
C. 3.5 cL d
D. 3.5×10–4cL d d d
E. 3.5×10–3cL d d d
Accessibility:KeyboardNavigation d d
dBloom's Level: 3. Apply d d d
Chapter:01Chemistry:TheScience of Change
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dDifficulty:Hard d
Subtopic: Dimensional Analysis d d
dSubtopic:Measurement(SIUnits) d d d
Subtopic:ScientificNotationandSignificantFiguresTopic:
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Study of Chemistry
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15 .Howmany milliliters is 0.0055 L?
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A. 0.55 mL d
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Copyright © 2018 McGraw-Hill Education. All rights reserved. No reproduction or distribution without thepriorwritten consent of
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McGraw-Hill Education. d d