1. When salt dissolves in water, equal por tions of this mixture contain the same quantities of solid and liquid. Such a mixture is said to be

a unstable
e, uniform
b. saturated
d. tincture

2. Which term describes the substance that
is dissolved in a solution?

a. solute
c. tincture
b. solvent
d. distilled

3. How are tinctures different from other types of solutions?

a. Precipitates form easily.
b. They are not homogeneous,
c. They are solids at room temperature,
d. The solvent is alcohol.

4. Which of the following will reflect a beam
of light?

a. water molecules
b. dust in the air
c. the particles of a sodium chloride solution
d. the particles of a copper sulfate solution

5. An example of a solution that is affected by changes in pressure is

a. sodium chloride in water
b. mercury in silver
c. alcohol in water
d. carbon dioxide in water

6. What are the characteristics of dilute solutions?

a. They have a very small overall volume.

b. They consist of a relatively small amount of solute in a given amount of solvent.

C. They reflect a beam of light passed through them.

D. they form solids that drop out of solution.