which one is the best way to determine whether an unknown sample is a substances or a mixture?
A. knowing it's density
B. tasting the given sample
C. observing it's physical appearance
D. testing it's melting and boiling point
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which one is the best way to determine whether an unknown sample is a substances or a mixture?
A. knowing it's density
B. tasting the given sample
C. observing it's physical appearance
D. testing it's melting and boiling point
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Answer:
which one is the best way to determine whether an unknown sample is a substances or a mixture? Answer C.