Test Bank for Chemistry, 11th Edition by Steven S. Zumdahl

Chapter 01 - 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.
ANSWER: d
POINTS: 1
DIFFICULTY: Easy
REFERENCES: 1.2
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
KEYWORDS: Chemistry | general chemistry | general concepts | scientific method
OTHER: Conceptual
DATE CREATED: 3/4/2016 4:26 PM
DATE MODIFIED: 3/4/2016 4:26 PM

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
ANSWER: a
POINTS: 1
DIFFICULTY: Easy
REFERENCES: 1.2
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
KEYWORDS: Chemistry | general chemistry | general concepts | scientific method
OTHER: Conceptual
DATE CREATED: 3/4/2016 4:26 PM
DATE MODIFIED: 3/4/2016 4:26 PM

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
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