Chemistry Concepts and Applications

Chapter 13: Water and Its Solutions

Chapter Test Practice

1
Which is a consequence of the property of water shown in the graph?

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A)The boiling point of water is 100° C.
B)The freezing point of water is 0° C.
C)Solid water floats on liquid water.
D)Solid water sinks in liquid water.
2
What sort of bonding makes sugar highly soluble in water?

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A)covalent
B)ionic
C)metallic
D)hydrogen
3
The attraction that water molecules have for each other is due to their __________.

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A)valence
B)polarity
C)ionic charge
D)magnetic fields
4
Because of all its water, Earth is nicknamed the __________.
A)blue planet
B)dense planet
C)spherical planet
D)wet planet
5
Ice is __________ liquid water.
A)equally as dense as
B)less dense than
C)more fluid
D)more massive
6
H2O is most dense at __________.
A)277 K
B)0° C
C)32° F
D)-32° K
7
Water forms __________ in a glass tube.
A)a concave meniscus
B)a convex meniscus
C)heavy water
D)hydrogen and oxygen
8
Regarding solvents and solutes, __________.
A)like dissolves like
B)nonpolar solvents dissolve polar solutes
C)polar solvents dissolve nonpolar solutes
D)solutes dissolve solvents
9
What is the molarity of a solution prepared by dissolving 50.0 g of NaCl to make 500.0 mL of solution?
A)0.855 M
B)0.100 M
C)1.17 M
D)1.71 M
10
How many grams of NaCl are dissolved in 500.0 mL of a 0.05M solution of NaCl?
A)0.05 g
B)0.29 g
C)1.46 g
D)2.92 g
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