Chapter1-25
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Chapter1 i
Chemistry:TheScienceofChange
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1 . What is aunifying principle that explains abodyofexperimental observations?
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A. law
B. hypothesis
C. theory
D. phenomena
E. prediction
Accessibility:KeyboardNavigation i i
iBloom's Level: 2. Understand i i i
Chapter:01Chemistry:TheScienceofChange
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iDifficulty:Easy i
Subtopic: Scientific Method Topic: i i i
Study of Chemistry
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2 . Which ofthefollowing is a tentativeexplanation for asetofobservations?
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A. law
B. hypothesis
C. theory
D. phenomena
E. prediction
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iBloom's Level: 2. Understand i i i
Chapter:01Chemistry:TheScienceofChange
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iDifficulty:Easy i
Subtopic:ScientificMethod i i
iTopic: Study of Chemistry
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3 .What is thetermused forfindings that aresummarized based on apattern or trend?
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A. law
B. hypothesis
C. theory
D. phenomena
E. prediction
Accessibility:KeyboardNavigation i i
iBloom's Level: 2. Understand i i i
Chapter:01Chemistry:TheScienceofChange
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iDifficulty:Easy i
Subtopic: Scientific Method Topic: i i i
Study of Chemistry
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4 . Which ofthe following activities is not apart ofgood science?
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A. proposing a theory i i
B. developing a hypothesis i i
C. making quantitativeobservations i i
D. designing experiments i
E. indulging in speculation i i
Accessibility:KeyboardNavigation i i
iBloom's Level: 2. Understand i i i
Chapter:01Chemistry:TheScienceofChange
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iDifficulty:Easy i
Subtopic:ScientificMethod i i
iTopic: Study of Chemistry
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5 .Whichofthefollowing isa ‘substance’ according to thedefinition given in your textbook?
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A. air
B. tap water i
C. sea water i
D. water
E. toothpaste
1-1
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McGraw-HillEducation. i i
,Accessibility:KeyboardNavigation i i
iBloom's Level: 3. Apply i i i
Chapter:01Chemistry:TheScienceofChange
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iDifficulty:Medium i
Subtopic:ClassificationandStatesofMatter Subtopic:
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Properties of Matter
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Topic: Study of Chemistry
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6. Whichofthefollowingcannot beseparated into simplersubstances bychemical means?
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A. element
B. emulsion
C. compound
D. homogeneousmixture i
E. heterogeneous mixture i
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iBloom's Level: 4. Analyze i i i
Chapter:01Chemistry:TheScienceofChange
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iDifficulty:Medium i
Subtopic:ClassificationandStatesofMatter Subtopic:
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Properties of Matter
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Topic: Study of Chemistry
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7 . Ifaliquid contains60% sugar and 40% water throughout its composition, then what is it called?
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A. solute
B. compound
C. homogeneousmixture i
D. heterogeneous mixture i
E. solvent
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iBloom's Level: 4. Analyze i i i
Chapter:01Chemistry:TheScienceofChange
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iDifficulty:Medium i
Subtopic:ClassificationandStatesofMatter Subtopic:
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Properties of Matter Topic:
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Study of Chemistry
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8 . Which ofthe following does not have auniformcomposition throughout?
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A. element
B. compound
C. homogeneousmixture i
D. heterogeneous mixture i
E. solvent
Accessibility:KeyboardNavigation i i
iBloom's Level: 3. Apply i i i
Chapter:01Chemistry:TheScienceofChange
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iDifficulty:Easy i
Subtopic:ClassificationandStatesofMatter Subtopic:
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Properties of Matter Topic:
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Study of Chemistry
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9 . Which ofthefollowing is notan SIbase unit?
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A. meter
B. ampere
C. second
D. gram
E. kelvin
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iBloom's Level: 2. Understand i i i
Chapter:01Chemistry:TheScienceofChange
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iDifficulty:Medium i
Subtopic:Measurement(SIUnits)Topic: i i i i
Study of Chemistry
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10 .TheSI baseunit ofmass is
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A. mg
B. g
C. kg
D. metricton i
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, E. lb
Accessibility:KeyboardNavigation i i
iBloom's Level: 1. Remember i i i
Chapter:01Chemistry:TheScienceofChange i i i i i i
iDifficulty:Medium i
Subtopic:Measurement(SIUnits) i i i
iTopic: Study of Chemistry
i i i
11. TheSIprefix mega- ( M) means i i i i i i
A. 10–6
B. 10–3
C. 103
D. 106
E. 109
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iBloom's Level: 1. Remember i i i
Chapter:01Chemistry:TheScienceofChange i i i i i i
iDifficulty:Easy i
Subtopic: Measurement (SI Units) Topic: i i i i
Study of Chemistry
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12. TheSIprefixes milli-and mega-represent, respectively: i i i i i i i
A. 106and10–6 i i
B. 10–3and106 i i
C. 103and10–6 i i
D. 10–3and109 i i
E. 10–6and10–3 i i
Accessibility:KeyboardNavigation i i
iBloom's Level: 1. Remember i i i
Chapter:01Chemistry:TheScienceofChange i i i i i i
iDifficulty:Medium i
Subtopic: Measurement (SI Units) Topic: i i i i
Study of Chemistry
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13 .Howmany micrograms are in 65.3 kg?
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A. 0.653 mg i
B. 6.53 ×107mg i i i
C. 6.53 ×104mg i i i
D. 6.53×10–8mg i i i
E. 6.53×1010mg i i i
Accessibility:KeyboardNavigation i i
iBloom's Level: 3. Apply i i i
Chapter:01Chemistry:TheScienceofChange i i i i i i
iDifficulty:Hard i
Subtopic: Dimensional Analysis i i
iSubtopic:Measurement(SIUnits) i i i
Subtopic:ScientificNotationandSignificantFiguresi i i i i
iTopic: Study of Chemistry
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14 .Adoseofmedication was prescribed to be35 microliters. Which ofthefollowing expresses that volumein centiliters?
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A. 3.5 ×105cL i i i
B. 3.5 ×104cL i i i
C. 3.5 cL i
D. 3.5×10–4cL i i i
E. 3.5×10–3cL i i i
Accessibility:KeyboardNavigation i i
iBloom's Level: 3. Apply i i i
Chapter:01Chemistry:TheScienceofChange i i i i i i
iDifficulty:Hard i
Subtopic: Dimensional Analysis i i
iSubtopic:Measurement(SIUnits) i i i
Subtopic:ScientificNotationandSignificantFiguresTopic:
i i i i i i
Study of Chemistry
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15 .Howmany millilitersis 0.0055 L?
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A. 0.55 mL i
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McGraw-HillEducation. i i