Zumdahl_Chemistry_9th_Edition_Test_Bank_LATEST VERSION.pdf
1
,Zumdahl_Chemistry_9th_Edition_Test_Bank_LATEST VERSION.pdf
This book is a gift that we hope would be of help to our family at STEM.
Sincerely,
STEM Freelancer’s association
2
,Zumdahl_Chemistry_9th_Edition_Test_Bank_LATEST VERSION.pdf
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 wood.
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 | scientific 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 experimentation
E) is none of these
ANS: A DIF: Easy REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scientific method
MSC: Conceptual
3. Generally, observed behavior that can be formulated into a statement, 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 | scientific 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 | scientific method
MSC: Conceptual
3
, Zumdahl_Chemistry_9th_Edition_Test_Bank_LATEST VERSION.pdf
5. A chemical theory that has been known for a long time becomes a law.
4
1
,Zumdahl_Chemistry_9th_Edition_Test_Bank_LATEST VERSION.pdf
This book is a gift that we hope would be of help to our family at STEM.
Sincerely,
STEM Freelancer’s association
2
,Zumdahl_Chemistry_9th_Edition_Test_Bank_LATEST VERSION.pdf
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 wood.
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 | scientific 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 experimentation
E) is none of these
ANS: A DIF: Easy REF: 1.2
KEY: Chemistry | general chemistry | general concepts | scientific method
MSC: Conceptual
3. Generally, observed behavior that can be formulated into a statement, 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 | scientific 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 | scientific method
MSC: Conceptual
3
, Zumdahl_Chemistry_9th_Edition_Test_Bank_LATEST VERSION.pdf
5. A chemical theory that has been known for a long time becomes a law.
4
