Chemistry 9th Edition By Zumdahl-Test Bank
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Chemistry 9th Edition Test Bank By Zumdahl
ISBN-10:1133612016 , ISBN-13:978-1133612018
Chapter 1: Foundation of Chemistry
- Which of these represents a quantitative observation?
A) | The metal piece is longer compared to the wood piece. |
B) | Solution 1 is significantly darker than solution 2. |
C) | The content in beaker A is blue in color. |
D) | The liquid’s temperature is 60°C. |
E) | At least two of the choices above (A-D) are quantitative observations. |
ANS: D DIF: Easy REF: 1.2
KEY: Chemistry | general chemistry | basic concepts | scientific method
MSC: Conceptual
- A quantitative observation
A) | includes a numerical value along with a unit |
B) | does not lack a numerical component |
C) | always involves making comparisons |
D) | requires experimental acquisition |
E) | is none of the mentioned |
ANS: A DIF: Easy REF: 1.2
KEY: Chemistry | general chemistry | basic concepts | scientific method
MSC: Conceptual
- Behavior that can be described as a statement, occasionally mathematical, is known as
A) | an observation |
B) | a measurement |
C) | a theory |
D) | a natural law |
E) | an experiment |
ANS: D DIF: Easy REF: 1.2
KEY: Chemistry | general chemistry | basic concepts | scientific method
MSC: Conceptual
- “The total mass of substances remains constant during a chemical transformation” is referred to as
A) | an observation |
B) | a measurement |
C) | a theory |
D) | a natural law |
E) | an experiment |
ANS: D DIF: Easy REF: 1.2
KEY: Chemistry | general chemistry | basic concepts | scientific method
MSC: Conceptual
- A long-standing chemical theory evolves into a law.
ANS: F DIF: Easy REF: 1.2
KEY: Chemistry | general chemistry | basic concepts | scientific method
MSC: Conceptual
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