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Study Quiz 1
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1
When solid CuCl2 and water are mixed a clear liquid results. What is the CuCl2 called?
A)A precipitate
B)A solute
C)A solution
D)A solvent
2
In which of the following phases can a solution be made?
A)Solid and liquid phases only
B)Liquid and gas phases only
C)Gas and solid phases only
D)Solid, liquid and gas phases
3
Carbon tetrachloride, a liquid, settles to the bottom of a test tube after being shaken with water. The 2 liquids are said to be
A)Miscible
B)Immiscible
C)Alloys
D)Soluble
4
Which of the following is not a solution?
A)C2H5OH(l)
B)Air
C)An alloy of copper, zinc and tin
D)Salt water
5
Which of the following sugar solutions is the most concentrated?
A)2 g of sugar in 100 mL of water
B)12 g of sugar in 30 mL of water
C)15 g of sugar in 25 mL of water
D)25 g of sugar in 60 mL of water
6
Solubility is
A)the amount of solvent that will dissolve a given amount of a solute at any temperature
B)the amount of solute that will dissolve in a given amount of solvent at any temperature
C)the process of dissolving a solute in a solvent
D)the amount of solute that will dissolve in a given amount of solvent at a certain temperature
7
A solute that has been dissolved in a solvent
A)can be recovered by a process involving its physical properties
B)cannot be recovered by a process involving its physical properties
C)is chemically changed
D)can be recovered by a process involving its chemical properties
8
Solid potassium chloride is added to water until no more can be dissolved at that temperature. Some solid remains at the bottom of the beaker. How would you describe the solution?
A)It is a concentrated solution.
B)It is a saturated solution.
C)It is an unsaturated solution.
D)It is a heterogeneous solution.
9
Stirring a solute/solvent mixture
A)increases the solubility of the solute in the solvent
B)does not affect the rate of dissolution
C)makes the solute dissolve faster
D)increases the capacity of the solvent to dissolve the solute





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