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Physical Science Review 7.1

Test Description: Understanding Solutions

Instructions: Answer all questions to get your test result.

1) A solution is made by dissolving some salt in a beaker of water. The salt is referred to as the

Asolvent Bsolution Csolute Dprecipitate

2) When KCl dissolves in water, the following will be produced.

AK- and Cl+ ions BK+ and Cl- ions CKCl molecules DK atoms and Cl2 molecules

3) When CO2 dissolves in water, the following will be produced

AC atoms and O2 molecules BC-4 and O+2 ions CCO2 molecules DC+4 and O-2 ions

4) In which of the following phases can a solution be made?

Aliquid, solid, and gas phases Bsolid and liquid phases only Cgas and liquid phases only Dsolid and gas phases only

5) Carbon tetrachloride, a liquid, settles to the bottom of a test tube after being shaken with water. This type of mixture is called a

Acolloid Bsolution Csuspension Dsolvent

6) What solute will be able to conduct electricity when dissolved?

ANO2 BCF4 CBaF2 DSO3

7) What do solutes do to freezing and boiling points of solutions?

Araise freezing point and lower boiling point Braise freezing point and boiling point Clower freezing point and boiling point Dlower freezing point and raise boiling point

8) The ________ of solute makes it harder for liquid molecules to move apart and become _

Alack; gas Bpresence; solid Clack; solid Dpresence; gas

9) Mrs. Knoll aims a flashlight at some orange juice. The light is scattered because orange juice is a

Asolution Bsuspension Csolvent Dcolloid

10) The substance in a solution that is present in the largest amount is the

Aprecipitate Bsolute Csolution Dsolvent

*select an answer for all questions

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