Verified Questions and Answers
Question type: Multiple Choice
1) Why study chemistry?
a) to help inform us about our world
b) to be better able to make informed decisions
c)to help us learn a technique for identifying and solving problems
d)all of these choices
ANS: D
Diff:easy
Learning Objective 1: State the definition of chemistry and why the study of chemistry is
important.
Section Reference 1: Section 1.1
2) The science of chemistry may involve:
a) observation
b) hypothesis development
c) experimentation
d) all of these choices
ANS: D
Diff: easy
Learning Objective 1: Describe the steps involved in the scientific method.
Section Reference 1: Section 1.2
3) Which is an observation?
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,a) Atoms consist of protons, neutrons, and electrons.
b) All matter is composed of atoms.
c) Water is colorless.
d) Atoms can form chemical bonds by sharing electrons.
2
, ANS: C
Diff: easy
Learning Objective 1: Describe the steps involved in the scientific method.
Section Reference 1: Section1.2
4) A tentative explanation of certain facts that provides the basis for further experimentation is
a(n) .
a) observation
b) hypothesis
c) theory
d) law
ANS: B
Diff: easy
Learning Objective 1: Describe the steps involved in the scientific method.
Section Reference 1: Section 1.2
5) A well-established hypothesis is often called a (n) .
a) observation
b) fact
c) theory
d) law
ANS: C
Diff: easy
Learning Objective 1: Describe the steps involved in the scientific method.
Section Reference 1: Section 1.2
6) Which is an observation?
a) Water boils at 100 oC.
b) The specific heat of water is 4.184 J/g oC.
c) Water is a universal solvent.
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