Test4 5 Bank
,This book is a gift that we hope would be of help to our family at STEM.
Sincerely,
STEM Freelancer’s association
Chapter 1: Chemical Foundations
1. Which of the following is an example of a quantitative observation?
A) The piece of metal is longer than the piece of woo
d.
B) Solution 1 is much darker than solution 2.
C) The liquid in beaker A is blue.
D) The temperature of the liquid is 60°C.
E) At least two of the above (A-
D) are quantitative observations.
ANS: D DIF: Easy REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scienti
fic method MSC: Conceptual
2. A quantitative observation
A) contains a number and a unit
B) does not contain a number
C) always makes a comparison
D) must be obtained through experimenta
tion
E) is none of these
ANS: A DIF: Easy REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scienti
fic method MSC: Conceptual
3. Generally, observed behavior that can be formulated into a statemen
t, sometimes mathematical in nature, is called a(n)
A) observation
B) measurement
C) theory
D) natural law
E) experiment
ANS: D DIF: Easy REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scienti
fic method MSC: Conceptual
4. The statement “The total mass of materials is not affected by a chemical
change in those materials” is called a(n)
A) observation
B) measurement
C) theory
D) natural law
E) experiment
ANS: D DIF: Easy REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scienti
fic method MSC: Conceptual
,5. A chemical theory that has been known for a long time becomes a law.
, ANS: F DIF: Easy REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scienti
fic method MSC: Conceptual
6. Which of the following metric relationships is incorrect?
A) 1 microliter = 10–
6
liters
B) 1 gram = 103 kilogra
ms
C) 103 milliliters = 1 liter
D) 1 gram = 102 centigr
ams
E) 10 decimeters = 1 m
eter
ANS: B DIF: Easy REF: 1.3
KEY: Chemistry | general chemistry | general concepts | measurement | SI
unit | prefixes MSC: Quantitative
7. For which pair is the SI prefix not matched correctly with its meaning?
A)
B)
C)
D)
E)
ANS: C DIF: Easy REF: 1.3
KEY:
Chemistry[ |[ general[ chemistry[ |[ general[ concepts[ |[ measurement[ |[ SI[uni
t[ |[ prefixes[MSC: Conceptual
8. A[ [ metric[ [ unit[ [ for[ [ length[ [ is
A) gram
B) milliliter
C) yard
D) kilometer
E) pound
ANS: D DIF: Easy REF: 1.3
KEY:
Chemistry[ |[ general[ chemistry[ |[ general[ concepts[ |[ measurement[ |[ SI[ uni[t[ |
[ base[ unit[MSC: Conceptual
9. Which[ [ of[ the[ [ following[ [ is[ [ not[ [ a[ [ unit[ [ in[ [ the[ [ SI[ system?
A) ampere
B) candela
C) Kelvin
D) meter
E) calorie
ANS: E DIF: Easy REF: 1.3
KEY:
Chemistry[ |[ general[ chemistry[ |[ general[ concepts[ |[ measurement[ |[ SI[ uni[t[ |
[ base[ unit[MSC: Conceptual
,This book is a gift that we hope would be of help to our family at STEM.
Sincerely,
STEM Freelancer’s association
Chapter 1: Chemical Foundations
1. Which of the following is an example of a quantitative observation?
A) The piece of metal is longer than the piece of woo
d.
B) Solution 1 is much darker than solution 2.
C) The liquid in beaker A is blue.
D) The temperature of the liquid is 60°C.
E) At least two of the above (A-
D) are quantitative observations.
ANS: D DIF: Easy REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scienti
fic method MSC: Conceptual
2. A quantitative observation
A) contains a number and a unit
B) does not contain a number
C) always makes a comparison
D) must be obtained through experimenta
tion
E) is none of these
ANS: A DIF: Easy REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scienti
fic method MSC: Conceptual
3. Generally, observed behavior that can be formulated into a statemen
t, sometimes mathematical in nature, is called a(n)
A) observation
B) measurement
C) theory
D) natural law
E) experiment
ANS: D DIF: Easy REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scienti
fic method MSC: Conceptual
4. The statement “The total mass of materials is not affected by a chemical
change in those materials” is called a(n)
A) observation
B) measurement
C) theory
D) natural law
E) experiment
ANS: D DIF: Easy REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scienti
fic method MSC: Conceptual
,5. A chemical theory that has been known for a long time becomes a law.
, ANS: F DIF: Easy REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scienti
fic method MSC: Conceptual
6. Which of the following metric relationships is incorrect?
A) 1 microliter = 10–
6
liters
B) 1 gram = 103 kilogra
ms
C) 103 milliliters = 1 liter
D) 1 gram = 102 centigr
ams
E) 10 decimeters = 1 m
eter
ANS: B DIF: Easy REF: 1.3
KEY: Chemistry | general chemistry | general concepts | measurement | SI
unit | prefixes MSC: Quantitative
7. For which pair is the SI prefix not matched correctly with its meaning?
A)
B)
C)
D)
E)
ANS: C DIF: Easy REF: 1.3
KEY:
Chemistry[ |[ general[ chemistry[ |[ general[ concepts[ |[ measurement[ |[ SI[uni
t[ |[ prefixes[MSC: Conceptual
8. A[ [ metric[ [ unit[ [ for[ [ length[ [ is
A) gram
B) milliliter
C) yard
D) kilometer
E) pound
ANS: D DIF: Easy REF: 1.3
KEY:
Chemistry[ |[ general[ chemistry[ |[ general[ concepts[ |[ measurement[ |[ SI[ uni[t[ |
[ base[ unit[MSC: Conceptual
9. Which[ [ of[ the[ [ following[ [ is[ [ not[ [ a[ [ unit[ [ in[ [ the[ [ SI[ system?
A) ampere
B) candela
C) Kelvin
D) meter
E) calorie
ANS: E DIF: Easy REF: 1.3
KEY:
Chemistry[ |[ general[ chemistry[ |[ general[ concepts[ |[ measurement[ |[ SI[ uni[t[ |
[ base[ unit[MSC: Conceptual
