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WorksheetsSolutions
Total questions: 12
Worksheet time: 12mins
Name
Class
Date
1.
When nail polish remover is used to remove nail polish, what is the solvent?
a)
Nail polish remover
b)
Nail polish
2.
Which of the following kind of compounds would be expected to NOT dissolve in water?
a)
Polar covalent solid
b)
Ionic solid
c)
Purely covalent solid (nonpolar)
3.
When carbon dioxide gas dissolves in water to make soda carbonated, what is the solute of this solution?
a)
water
b)
carbon dioxide gas
c)
soda mixture
4.
When a substance dissolves in water, the oxygen atoms in the water molecules orient themselves towards what charge (full or partial) in the solute compound?
a)
Positive
b)
Negative
5.
When an ionic compound dissolves in water, it breaks apart into its
a)
individual elements.
b)
ions.
c)
None of the above - it dissolves as an individual.
6.
When a polar covalent molecule dissolves in water, it breaks apart into its
a)
individual elements.
b)
ions.
c)
None of the above - it dissolves as an individual.
7.
Because of their charges, ionic substances are most likely to dissolve into what kind of solvents?
a)
Polar covalent solvent
b)
Nonpolar covalent solvent
8.
Most solute phases require that a solvent get between their molecules/ions to cause them to move farther apart from each other. However, this is NOT the case for which solute phase, which actually must move closer together when it dissolves in a solvent?
a)
Solid
b)
Liquid
c)
Gas
9.
Solid solutes are _______ soluble in a solvent when the solvent's temperature increases.
a)
more
b)
less
c)
just as
10.
Gaseous solutes are _______ soluble in a solvent when the solvent's temperature increases.
a)
more
b)
less
c)
just as (no change)
11.
Increasing pressure makes gases _______ soluble in a solvent.
a)
more
b)
less
c)
just as (no change)
12.
Increasing pressure makes liquids and solids _______ soluble in a solvent.
a)
more
b)
less
c)
just as (no change)
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