TEST BANK FOR ZUMDAHL CHEMISTRY 9TH EDITION (Complete Test Bank with Questions and Answers)

Testbbbank

,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
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1. Which of the following is an example of a quantitative observation?
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A) The piece of metal is longer than the piece of wood.
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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.
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ANS: D DIF: Easy REF: 1.2
KEY: Chemistry | general chemistry | general concepts ss ss ss ss ss ss




ss | scientific methodbbMSC:
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2. A quantitative observation
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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 REF: 1.2
KEY: Chemistry | general chemistry | general concepts ss ss ss ss ss ss




ss | scientific methodbbMSC:
ss ss s s Conceptual

3. Generally, observed behavior that can be formulated into a
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ss statement, sometimesbbmathematical in nature, is called ss ss ss ss ss




ss a(n)
A) observation
B) measurement
C) theory

, D) natural law ss




E) experiment

ANS: D DIF: Easy REF: 1.2
KEY: Chemistry | general chemistry | general concepts
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ss | scientific methodbbMSC:
ss ss s s Conceptual


4. The statement ―The total mass of materials is not affected by a
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ss chemical change in thosebbmaterials‖ is called a(n)
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A) observation
B) measurement
C) theory
D) natural law ss




E) experiment

ANS: D DIF: Easy REF: 1.2
KEY: Chemistry | general chemistry | general concepts
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ss | scientific methodbbMSC:
ss ss s s Conceptual

5. A chemical theory that has been known for a long time becomes a law.
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