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Chapter 4.3 Review (7th)
Test Description: Mixtures
Instructions: Answer all questions to get your test result.
1) Which of the following is the best example of a solution?
A
water and gravel
B
trail mix
C
iron fillings and sand
D
ice tea
2) A liquid used to dissolve a solute is called a
A
Solution
B
solubility
C
solute
D
solvent
3) Which of the following is soluble in water?
A
pepper
B
citric acid
C
baking soda
D
sand
4) How could you make a more concentrated solution?
A
add more solvent
B
pour out some of the solution
C
put the solution in the refrigerator
D
add more solute
5) Which factor will NOT cause a solute to dissolve more quickly?
A
adding ice to the water
B
heating the water
C
shaking
D
stirring
6) How can you tell which solution is more concentrated when they look the same and have the same volume?
A
use a balance to see which is the heaviest
B
use a thermometer to test temperatures
C
taste the mystery solution
D
put your finger in the mystery solution
7) Which method would be best for separating citric acid and water?
A
filtering through a coffee filter
B
evaporation
C
floatation
8) A combination of two or more substances that are not chemically combined. Pizza is an example of this type of combination.
A
solute
B
mixture
C
solution
D
compound
9) A mixture in which the particles of a material are dispersed throughout a liquid or gas but are large enough that they settle out. A snow globe is an example.
A
suspension
B
mixture
C
colloid
D
solution
10) In a solution, the substance that dissolves in the solvent.
A
solvent
B
solution
C
solute
D
insoluble
*select an answer for all questions
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