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Chapter 8
Flashcards
11 cards
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Practice quiz
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Questions
11
Answers
1
All of the following will make it easier to dissolve a solute in a solvent
except
stirring the solution.
adding a larger amount of solute.
increasing the surface area of the solute.
heating the solvent.
2
Because many substances dissolve in water, water is referred to as the
universal solvent.
universal solute.
homogeneous solvent.
heterogeneous solvent.
3
A bottle of soda fizzes when opened because the dissolved gas
reacts with the air.
saturates the solution.
is insoluble in the soda.
comes out of solution.
4
What determines whether a mixture is a suspension or a colloid?
size of particles
number of particles
distribution of particles
none of the above
5
Which of the following is an example of a heterogeneous mixture?
sugar solution
vinegar
salt water
mayonnaise
6
The largest ecosystem on Earth is the
continents.
biosphere
oceans
atmosphere.
7
Which states of matter can form solutions?
gas-liquid
solid-liquid
all of the above
solid-solid
8
Chlorine, which is used in swimming pools to kill bacteria, is a(n)
colloid
emulsion
solute
solvent
9
What is the molarity of 8 mol of KOH disssolved in 2.0 L of solution?
8 mol/L
2 mol/L
16 mol/L
4 mol/L
10
An oatmeal raisin cookie is an example of a
heterogeneous mixture.
solvent.
solution.
homogeneous mixture.
11
You can make a solute dissolve more quickly in a solvent by
adding a solute
heating the solvent
removing the solvent
adding ice
