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PS Ch 8 Solutions 1/4
Test Description: .
Instructions: Answer all questions to get your test result.
1) You can make a solute dissolve more quickly in a solvent by
A
removing some solvent
B
adding more solute
C
heating the solvent
D
adding ice
2) What happens when a supersaturate solution cools down
A
the solute will rise to the top of the solution
B
the solution will accept even more solute
C
the solution starts to freeze at room temperature
D
the solute will crystallize out of the solution
3) Some types of peanut butter settle into two layers, a solid layer and a liquid layer. These peanut butters are
A
colloids
B
suspensions
C
sollutions
D
emulsions
4) Which is the most concentrated solution of sodium sulfate (Na2SO4)
A
4.0 M Na2SO4
B
3.0 M Na2SO4
C
2.0 M Na2SO4
D
1.0 M Na2SO4
5) An oatmeal raisin cookie is an example of
A
homogeneous mixture
B
solution
C
heterogeneous mixture
D
solvent
6) Two liquids that form a heterogeneous mixture is said to be
A
colloids
B
miscible
C
solutes
D
immiscible
7) Which of the following is an example of a homogeneous mixture
A
grapefruit juice
B
fog
C
paint
D
gasoline
8) The Tyndall effect is observed iin
A
alloys
B
colloids
C
solutions
D
solvents
9) Which would not increase the rate at which a sugar cube dissolves
A
reducing the amount of solvent
B
heating the solution
C
stirring the solution
D
crushing the sugar cube
10) Which mixture is a good example of the way a solute can affect the freezing point and boiling point of a solutions
A
olive oil and water
B
ethylene glycol and water
C
sugar and water
D
silver chloride and water
*select an answer for all questions
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