Page 109 - Science Course 2 (Book 1)
P. 109

Mo4-L1: Lesson Review Quiz      (Multiple Choice)


        Direction:  On the line before each question, write the letter of the correct answer

                   1. Which type of solute is least likely to dissolve in water?
                           A. ionic
                           B. polar
                           C. nonpolar
                   2. Which action will make a solid solute dissolve more slowly in a liquid solvent?
                           A. stirring the solution
                           B. decreasing the solvent’s temperature
                           C. crushing the solute into small pieces
                   3. For which solution would mass per volume be used to describe concentration?
                           A. salt in water
                           B. oxygen in air
                           C. alcohol in water
                   4. Which characteristic of water molecules best explains why most water on Earth contains
                       dissolved solvents?
                           A. size
                           B. motion
                           C. structure
                           D. temperature
                   5. Pressure is a factor that would affect the solubility of
                           A. sugar in tea.
                           B. salt in ocean water.
                           C. carbon dioxide gas in soda.
                           D. powdered drink mix in water.
                   6. For which solution would percent by volume be used to describe concentration?
                           A. salt in water
                           B. oxygen in air
                           C. sugar in soda
                           D. drink mix in water




          Mo4-L1: Lesson Review Quiz   (Completion)

        Direction: On each line, write the term from the word bank that correctly completes each sentence.
                    Not all terms are used.

                   concentration         nonpolar molecule           polar molecule
                   solubility            solute                      solvent


        7. The substance that exists in the greatest quantity in a solution is the .

        8. A                                                 has a slightly negative end and a slightly positive end.


        9. A solution’s                                    tells how much solute is in it.

        10. A solute’s                                     is the maximum amount that can dissolve in a given
            amount of solvent at a given temperature and pressure.















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