Test Bank For Chemistry 9th Edition By Zumdahl

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Edition: 9th Edition

Format: Downloadable ZIP Fille

Resource Type: Test bank

Duration: Unlimited downloads

Delivery: Instant Download

Test Bank For Chemistry 9th Edition By Zumdahl

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

 

  1. 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

 

  1. 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

 

  1. 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

 

  1. 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 | scientific method

MSC:   Conceptual

 

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