Chem R110 - Elementary Chemistry » Spring 2021 » Quiz 1
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Question #1
The definition of a scientific law is:
A.
None of these
B.
a way of learning that emphasizes observation and experimentation.
C.
a number of similar observations generalized into a brief statement summarizing past observations and predicting new ones.
D.
the underlying reason for a scientific theory.
E.
the same as a hypothesis.
Question #2
Matter always has both mass and occupies space.
A.
TRUE
B.
FALSE
Question #3
Which state of matter consists of particles held together firmly but not rigidly? These particles are held together by strong attractive forces, are in close contact with one another, but are able to flow by one another.
A.
liquid
B.
solid
C.
vapor
D.
gas
Question #4
Which matter contains the least force of attraction between particles?
A.
oxygen gas
B.
mercury
C.
liquid bromine
D.
sodium metal
Question #5
Which of the following is a mixture?
A.
neon
B.
sugar
C.
mud
D.
water
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