LESSON 3
PRACTICE EXERCISE
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The following items will test your grasp of the material covered
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in this lesson. There is only one correct answer for each item.
When you complete the exercise, check your answer with the
answer key that follows.
If you answer any item incorrectly,
study again that part of the lesson which contains the portion
involved.
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1.
The degree to which the dissolving process
can be
accomplished with respect to factors such as the
solute,
temperature, pressure, and time is known as what?
A.
B.
Repeatability.
C.
Solubility.
D.
Density.
2.
What can be explained as a comparison of the weights of
both solute and solvent?
A.
Solubility.
B.
Molality.
C.
Molarity.
D.
3.
Which
of
the
following
is
an
indicator
of
primary
standards?
A.
Reacts completely.
B.
Floats in water.
C.
Form solids upon contact with acids.
D.
Neutralizes acids.
4.
Why
should
the
proper
amount of
solute be
used
at
all
times?
A.
To prevent spills.
B.
To aid in the accuracy of the process.
C.
To make the clean-up activity easier.
D.
Solute is more expensive.
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