Section 3.3
Mixtures of Matter
Practice Test
1.
A heterogeneous mixture is poured through a piece of filter paper that is positioned over a beaker. What is the substance that is collected in the beaker?
a.
heterogeneous mixture
b.
solid
c.
solution
d.
Not enough information is given.
Hint
2.
Which of the following methods of separating mixtures is best if the solution cannot be saturated and is temperature-sensitive?
a.
chromatography
b.
combustion
c.
crystallization
d.
distillation
Hint
3.
Which of the following is a heterogeneous mixture?
a.
sugar
b.
sugar in water
c.
samples of nitrogen and oxygen in the same container
d.
samples of argon and iron in the same container
Hint
4.
A solution of solids is a(n)___________.
a.
filtration
b.
alloy
c.
pure metal
d.
heterogeneous mixture
Hint
5.
A technique that uses a porous barrier to separate heterogeneous mixtures is _______.
a.
distillation
b.
chromatography
c.
filtration
d.
crystallization
Hint
6.
A technique that uses the differences in boiling point to separate homogeneous mixtures is _________.
a.
distillation
b.
chromatography
c.
filtration
d.
crystallization
Hint
