Which one of the following is an example of a pure substance?
A) ethyl alcohol
B) sugar water
C) salt and pepper
D) milk
E) sand
Correct Answer:
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Q77: 1 centimeter equals how many millimeters?
A)10-6
B)10-3
C)10
D)104
E)106
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A)Mass is an example
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A)pure substance.
B)element.
C)compound.
D)homogeneous
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