Which is the best way to determine whether an unknown solid sample is a substance?
A. melting test B. appearance C. boiling test D. by testing
2. Which of the following will Louie do to segregate the jackstone of different colors?
A. Decantation B. Evaporation
C. Filtration. D. Physical manipulation
A. melting test B. appearance C. boiling test D. by testing
2. Which of the following will Louie do to segregate the jackstone of different colors?
A. Decantation B. Evaporation
C. Filtration. D. Physical manipulation
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Answer:
B. Appearance
D. Physical Manipulation