6. Which of the following can describe a substance and a mixture? a. homogeneous b. pure matter c. heterogeneous d. homogeneous and heterogeneous
7. Which of the following test that will check if two unknown liquid sample are a substance or mixture? a. taste comparison b. boiling test c. color comparison d. color comparison and taste comparison
8. A liquid has the following properties: one-phase, colorless, boils at varying temperature. Which of the following BEST describes the liquid? a. homogeneous mixture b. substance c. heterogeneous mixture d. coarse mixture
9.Choose the correct description of seawater a. Seawater is a pure substance. c. Seawater consist of only one substance. b. Seawater is a heterogeneous mixture d. Seawater is a mixture.
10. Which of the following is NOT a property of mixtures? a. The components can be separated. c. The amount of the components is not fixed. b. The original properties of the combined substances are changed. d. none of these
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Answer:
6. D
7. D
8. B
9.A
10.D
Explanation:
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