Choose the correct answer for each question.

1. The substance dissolved in a solution is the:

   1.   ?    solvent
   2.   ?    solution
   3.   ?    solute
   4.   ?    mixture

2. The dissolving medium in a solution is the:

   1.   ?    solvent
   2.   ?    solution
   3.   ?    solute
   4.   ?    mixture

3. A homogeneous mixture of two or more substances is a:

   1.   ?    solvent
   2.   ?    solution
   3.   ?    solute
   4.   ?    compound

4. In a solution of sugar and water:

   1. the sugar is the solute
   2. the water is the solvent
   3. the sugar is the solvent
   4. the water is the solute
   Check

5. In a solution of ammonia in water:

   1. the ammonia is the solute
   2. the water is the solvent
   3. the ammonia is the solvent
   4. the water is the solute
   Check

6. When gasoline is used to dissolve grease:

   1. the grease is the solute
   2. the gasoline is the solvent
   3. the grease is the solvent
   4. the gasoline is the solute
   Check

7. Of the following, which will increase the solubility of a gas in water?

   1. increasing the temperature
   2. decreasing the temperature
   3. increasing the pressure
   4. decreasing the pressure
   Check

8. Increasing the temperature of a solution:

   1. increases the frequency of solute - solvent collisions
   2. increases the energy of solute - solvent collisions
   3. decreases the frequency of solute - solvent collisions
   4. decreases the energy of solute - solvent collisions
   Check

9. The speed of solvent molecules can be slowed by:

   1. Increasing the surface area of the solute
   2. Increasing the temperature
   3. Increasing the pressure
   4. Decreasing the temperature
   Check

10. Which of the following should increase the rate of dissolving of a salt in water?

    1. Increasing the temperature
    2. Stirring
    3. Decreasing surface area
    4. Increasing pressure
    Check

11. When two liquids blend easily to form a solution, the liquids are said to be:

    1. compatible
    2. miscible
    3. heterogeneous
    4. endothermic
    Check

12. A substance that dissolves in a water to form a solution that conducts an electric current is said to be an:

    1.   ?    electrolyte
    2.   ?    nonelectrolyte

13. Which of the following are examples of electrolytes in water solutions?

    1. ethyl alcohol
    2. sugar
    3. salt
    4. acid
    Check