7. Which one is the best way to determine whether an unknown sample is a
substance or a mixture?
A. knowing its density.
B. tasting the given sample
C. observing its physical appearance.
D. testing its melting and boiling point
8. Which is NOT a technique to separate components of mixture?
A. Condensation
B. Distillation
C. Evaporation
D. Filtration
Answers
Answered by
3
Answer:
7-C and 8-A is correct answer
Answered by
5
Answer:
7) Option C
8) Option A
plzz mark my answer as brainliest answer
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