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LA-Chemistry A
Elements, Compounds, and Mixtures — Unit test
Question 13
13
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Multiple Choice
Elements, Compounds, and Mixtures — Unit test
Question 13 • LA-Chemistry A
The chemical formula for an emerald is Be3Al2(SiO3)6. An emerald can be described as
Answer
A
a pure substance because it is a compound.
B
a pure substance because it is an element.
C
an impure substance because it is chemically combined.
D
an impure substance because it is a mixture.
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