Chemistry 9th Edition By Zumdahl-Test Bank
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Test Bank For Chemistry 9th Edition By Zumdahl
ISBN-10:1133612016 , ISBN-13:978-1133612018
Chapter 1: Chemical Foundations
- 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
- 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
- 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
- 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
- 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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