Test Bank For Chemistry 10Th Edition By Steven Zumdahl, Susan Zumdahl, Donald J. Decoste Isbn: 978-1305957404 Complete Guide All Chapters Covered 100% Verified A+ Grade Assured!!!!New Latest Update!!!!

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Chapter 01 - Chemistry: An Introduction
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1. Define the following terms:
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a. science
b. chemistry
ANSWER: a. Science - j7 j7


a framework for gaining and organizing knowledge. It is a procedure for processing and understandin
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g certain information. j7 j7


b. Chemistry - the science that deals with the matter of the universe and the changes it can undergo.
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2. Define the following terms:
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a. scientific method j7


b. natural law j7


c. hypothesis
d. theory
ANSWER: a. Scientific method - the process or steps of scientific inquiry.
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b. Natural law - a statement describing observed behavior. j7 j7 j7 j7 j7 j7 n&



c. Hypothesis - a possible explanation for an observation. j7 j7 j7 j7 j7 j7 j7


d. Theory - j7


a set of testsed hypotheses that gives an explanation for some behavior or observation (also called a m od
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el).

3. Which of the following is not a step in the scientific method?
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a. Make an observation. j7 j7



b. Formulate a hypothesis. j7 j7



c. Perform an experiment. j7 j7



d. Change results to agree with your hypothesis.
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e. Develop a theory (or model). j7 j7 j7 j7


ANSWER: d

4. A is a summary of observed behavior, and a
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a. law, measurement j7


b. theory, scientific method j7 j7


c. theory, law j7



d. law, theory j7



e. hypothesis,theory j7



ANSWER: d

5. Generally, observed behavior that can be formulated into a statement, sometimes mathematical in nature, is c a
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j7 lled a(n)
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a. observation
b. measurement
c. theory
d. natural law j7



e. experiment
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er

,Name Clas Dat
: s: e:

Chapter 01 - Chemistry: An Introduction
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ANSWER: d




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er

, Name Clas Dat
: s: e:

Chapter 01 - Chemistry: An Introduction
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6. The statement “The total mass of materials is not affected by a chemical change in those materials” is called a(n
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)
a. observation
b. measurement
c. theory
d. natural law j7



e. experiment
ANSWER: d

7. A set of tested hypotheses than gives an overall explanation of some part of nature, is called a(n)
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a. observation
b. measurement
c. theory
d. natural law j7


e. experiment
ANSWER: c

8. Something done to test a hypothesis that produces new observations is called a(n)
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a. observation
b. measurement
c. theory
d. natural law j7



e. experiment
ANSWER: e

9. A quantitative observation
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a. contains a number and a unit j7 o j7 j7 j7 j7


b. does not contain a number
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c. always makes a comparison j7 j7 o j7




d. must be obtained through experimentation
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e. is none of these
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ANSWER: a

10. 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. j7 j7 j7 j7 j7 j7 j7



c. The liquid in beaker A is blue.n& j7 n& j7 j7 j7


d. The temperature of the liquid is 60°C.
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e. At least two of the above (A-D) are quantitative observations.
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ANSWER: d

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