Test bank
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,This book is a gift that we hope would be of help to our family at STEM.
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Sincerely,
STEM Freelancer’s association
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,Chapter 1: Chemical Foundations
ss ss ss
1. Which of the following is an example of a quantitative observation?
ss ss ss ss ss ss ss ss ss ss
A) The piece of metal is longer than the piece of wood.
ss ss ss ss ss ss ss ss ss ss
B) Solution 1 is much darker than solution 2. ss ss ss ss ss ss ss
C) The liquid in beaker A is blue. ss ss ss ss ss ss
D) The temperature of the liquid is 60°C.
ss ss ss ss ss ss
E) At least two of the above (A-D) are quantitative observations.
ss ss ss ss ss ss ss ss ss
ANS: D DIF: Easy
s s s s REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scientific method
s s ss ss ss ss ss ss ss ss ss
MSC: Conceptual
ss s s
2. A quantitative observation
ss ss
A) contains a number and a unit ss ss ss ss ss
B) does not contain a number ss ss ss ss
C) always makes a comparison ss ss ss
D) must be obtained through experimentation
ss ss ss ss
E) is none of these ss ss ss
ANS: A DIF: Easy
s s s s REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scientific method
s s ss ss ss ss ss ss ss ss ss
MSC: Conceptual
ss s s
3. Generally, observed behavior that can be formulated into a statement, sometimes
ss ss ss ss ss ss ss ss ss ss
mathematical in nature, is called a(n)
ss ss ss ss ss ss
A) observation
B) measurement
C) theory
D) natural law ss
E) experiment
ANS: D DIF: Easy
s s s s REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scientific method
s s ss ss ss ss ss ss ss ss ss
MSC: Conceptual
ss s s
4. The statement ―The total mass of materials is not affected by a chemical change in those
ss ss ss ss ss ss ss ss ss ss ss ss ss ss ss
materials‖ is called a(n)
ss ss ss ss
A) observation
B) measurement
C) theory
D) natural law ss
E) experiment
ANS: D DIF: Easy
s s s s REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scientific method
s s ss ss ss ss ss ss ss ss ss
MSC: Conceptual
ss s s
5. A chemical theory that has been known for a long time becomes a law.
ss ss ss ss ss ss ss ss ss ss ss ss ss
, ANS: F DIF: Easy
s s s s REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scientific method
s s ss ss ss ss ss ss ss ss ss
MSC: Conceptual
ss s s
6. Which of the following metric relationships is incorrect?
ss ss ss ss ss ss ss
A) 1 microliter = 10–6 liters
ss ss ss ss
B) 1 gram = 103 kilograms
ss ss ss ss
C) 103 milliliters = 1 literss ss ss ss
D) 1 gram = 102 centigrams
ss ss ss ss
E) 10 decimeters = 1 meter
ss ss ss ss
ANS: B DIF: Easy
s s s s REF: 1.3
KEY: Chemistry | general chemistry | general concepts | measurement | SI unit | prefixes
s s ss ss ss ss ss ss ss ss ss ss ss ss ss
MSC: Quantitative
ss s s
7. For which pair is the SI prefix not matched correctly with its meaning?
ss ss ss ss ss ss ss ss ss ss ss ss
A)
B)
C)
D)
E)
ANS: C DIF: Easy
s s s s REF: 1.3
KEY: Chemistry | general chemistry | general concepts | measurement | SI unit | prefixes
s s ss ss ss ss ss ss ss ss ss ss ss ss ss
MSC: Conceptual
ss s s
8. A metric unit for length is
ss ss ss ss ss
A) gram
B) milliliter
C) yard
D) kilometer
E) pound
ANS: D DIF: Easy
s s s s REF: 1.3
KEY: Chemistry | general chemistry | general concepts | measurement | SI unit | base unit
s s ss ss ss ss ss ss ss ss ss ss ss ss ss ss
MSC: Conceptual
ss s s
9. Which of the following is not a unit in the SI system?
ss ss ss ss ss ss ss ss ss ss ss
A) ampere
B) candela
C) Kelvin
D) meter
E) calorie
ANS: E DIF: Easy
s s s s REF: 1.3
KEY: Chemistry | general chemistry | general concepts | measurement | SI unit | base unit
s s ss ss ss ss ss ss ss ss ss ss ss ss ss ss
MSC: Conceptual
ss s s
10. Order the four metric prefixes from smallest to largest.
ss ss ss ss ss ss ss ss
ss
,This book is a gift that we hope would be of help to our family at STEM.
ss ss ss ss ss ss ss ss ss ss ss ss ss ss ss ss
Sincerely,
STEM Freelancer’s association
ss ss
,Chapter 1: Chemical Foundations
ss ss ss
1. Which of the following is an example of a quantitative observation?
ss ss ss ss ss ss ss ss ss ss
A) The piece of metal is longer than the piece of wood.
ss ss ss ss ss ss ss ss ss ss
B) Solution 1 is much darker than solution 2. ss ss ss ss ss ss ss
C) The liquid in beaker A is blue. ss ss ss ss ss ss
D) The temperature of the liquid is 60°C.
ss ss ss ss ss ss
E) At least two of the above (A-D) are quantitative observations.
ss ss ss ss ss ss ss ss ss
ANS: D DIF: Easy
s s s s REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scientific method
s s ss ss ss ss ss ss ss ss ss
MSC: Conceptual
ss s s
2. A quantitative observation
ss ss
A) contains a number and a unit ss ss ss ss ss
B) does not contain a number ss ss ss ss
C) always makes a comparison ss ss ss
D) must be obtained through experimentation
ss ss ss ss
E) is none of these ss ss ss
ANS: A DIF: Easy
s s s s REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scientific method
s s ss ss ss ss ss ss ss ss ss
MSC: Conceptual
ss s s
3. Generally, observed behavior that can be formulated into a statement, sometimes
ss ss ss ss ss ss ss ss ss ss
mathematical in nature, is called a(n)
ss ss ss ss ss ss
A) observation
B) measurement
C) theory
D) natural law ss
E) experiment
ANS: D DIF: Easy
s s s s REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scientific method
s s ss ss ss ss ss ss ss ss ss
MSC: Conceptual
ss s s
4. The statement ―The total mass of materials is not affected by a chemical change in those
ss ss ss ss ss ss ss ss ss ss ss ss ss ss ss
materials‖ is called a(n)
ss ss ss ss
A) observation
B) measurement
C) theory
D) natural law ss
E) experiment
ANS: D DIF: Easy
s s s s REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scientific method
s s ss ss ss ss ss ss ss ss ss
MSC: Conceptual
ss s s
5. A chemical theory that has been known for a long time becomes a law.
ss ss ss ss ss ss ss ss ss ss ss ss ss
, ANS: F DIF: Easy
s s s s REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scientific method
s s ss ss ss ss ss ss ss ss ss
MSC: Conceptual
ss s s
6. Which of the following metric relationships is incorrect?
ss ss ss ss ss ss ss
A) 1 microliter = 10–6 liters
ss ss ss ss
B) 1 gram = 103 kilograms
ss ss ss ss
C) 103 milliliters = 1 literss ss ss ss
D) 1 gram = 102 centigrams
ss ss ss ss
E) 10 decimeters = 1 meter
ss ss ss ss
ANS: B DIF: Easy
s s s s REF: 1.3
KEY: Chemistry | general chemistry | general concepts | measurement | SI unit | prefixes
s s ss ss ss ss ss ss ss ss ss ss ss ss ss
MSC: Quantitative
ss s s
7. For which pair is the SI prefix not matched correctly with its meaning?
ss ss ss ss ss ss ss ss ss ss ss ss
A)
B)
C)
D)
E)
ANS: C DIF: Easy
s s s s REF: 1.3
KEY: Chemistry | general chemistry | general concepts | measurement | SI unit | prefixes
s s ss ss ss ss ss ss ss ss ss ss ss ss ss
MSC: Conceptual
ss s s
8. A metric unit for length is
ss ss ss ss ss
A) gram
B) milliliter
C) yard
D) kilometer
E) pound
ANS: D DIF: Easy
s s s s REF: 1.3
KEY: Chemistry | general chemistry | general concepts | measurement | SI unit | base unit
s s ss ss ss ss ss ss ss ss ss ss ss ss ss ss
MSC: Conceptual
ss s s
9. Which of the following is not a unit in the SI system?
ss ss ss ss ss ss ss ss ss ss ss
A) ampere
B) candela
C) Kelvin
D) meter
E) calorie
ANS: E DIF: Easy
s s s s REF: 1.3
KEY: Chemistry | general chemistry | general concepts | measurement | SI unit | base unit
s s ss ss ss ss ss ss ss ss ss ss ss ss ss ss
MSC: Conceptual
ss s s
10. Order the four metric prefixes from smallest to largest.
ss ss ss ss ss ss ss ss