EXERCISES, LESSON 4
INSTRUCTIONS: Answer the following exercises by marking the lettered response that
best answers the question or best completes the incomplete statement or by writing the
answer in the space provided.
After you have completed all the exercises, turn to "Solutions to Exercises" at the
end of the lesson and check your answers. For each exercise answered incorrectly,
reread the material referenced with the solution.
1.
From the group of definitions below, select the most correct definition of the term
emulsion.
a. A liquid composed of two miscible liquids, such as water and syrup.
b. A liquid composed of two immiscible liquids in which one liquid is dispersed in
small globules throughout the other liquid.
c.
A liquid composed of two substances, such as a liquid and a solid, which will
not mix.
d. A liquid composed of three or more immiscible liquids in which oil and water
are mixed.
2.
From the group of responses below, select the response that contains the two
a. Oil in oil/water in water.
b. Oil in oil/water in glycerin.
c.
Oil in water/water in glycerin.
d. Oil in water/water in oil.
MD0809
4-9