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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
ice tea
B
iron fillings and sand
C
trail mix
D
water and gravel
2) A liquid used to dissolve a solute is called a
A
solvent
B
solute
C
solubility
D
Solution
3) Which of the following is soluble in water?
A
baking soda
B
citric acid
C
pepper
D
sand
4) How could you make a more concentrated solution?
A
pour out some of the solution
B
put the solution in the refrigerator
C
add more solvent
D
add more solute
5) Which factor will NOT cause a solute to dissolve more quickly?
A
heating the water
B
adding ice to 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
put your finger in the mystery solution
B
taste the mystery solution
C
use a balance to see which is the heaviest
D
use a thermometer to test temperatures
7) Which method would be best for separating citric acid and water?
A
floatation
B
evaporation
C
filtering through a coffee filter
8) A combination of two or more substances that are not chemically combined. Pizza is an example of this type of combination.
A
compound
B
mixture
C
solute
D
solution
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
solution
B
colloid
C
suspension
D
mixture
10) In a solution, the substance that dissolves in the solvent.
A
solute
B
solvent
C
insoluble
D
solution
*select an answer for all questions
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