8/13/2019 Ch 11 Worksheets

1/3

Name Date Class

Exploring Pure Substances andMixtures

1. ________________________________cannot be separated easily or, sometimes, at all.

2.Two types of mixtures are _____________ mixtures and heterogeneous mixtures.

3.Lemonade is an example of a(n) _____________ mixture.

4. Medical researchers must often _____________ pure substances from leaves,flowers, or the bark of plants.

5. A mixture is usually easy to separate into its parts because each part of a mixturekeeps its own _____________ properties.

6. Four ways to separate parts of mixtures include: filtration, evaporation, magneticattraction, and _____________.

7.___ homogeneous

8.___ heterogeneous

9.___ mixture

10.___ pure substance

a. a single kind of matter that has a specific makeup, orcomposition

b. two or more substances that are together in the sameplace, but their atoms are not chemically bonded

c. a mixture that is so evenly mixed that you cantdifferentiate the parts simply by looking at it

d. a mixture in which you can see the different parts andcan easily separate them out

Understanding Main Ideas

Word Bank: homogenous, distillation, physical, pure substances, extract, homogenous, isolate

Building VocabularyMatch each term with its definition by writing the letter of the correct definition in theright column on the line beside the term in the left column.

8/13/2019 Ch 11 Worksheets

2/3

Name Date Class

Solutions

1.

2.

3.

Answer the following questions on a separate sheet of paper.

4. Compare and contrast what happens to the particles of an ionic solidand a molecular solid when each mixes with water.

5. What are two ways that solutes affect the properties of solvents?

6. The part of a solution that is present in the smaller amount is the _____________.

7.The part of a solution that is present in a larger amount is the _____________.

8.A(n) _____________ is a mixture containing small, undissolved particles thatdo not settle out, but are large enough to scatter light.

9.A mixture in which particles can be seen and easily separated by settling or filtrationis called a(n) _____________.

10.A well-mixed mixture that contains a solvent and at least one solute is calleda(n) _____________.

Understanding Main Ideas

The diagram below shows three mixtures. Identify each mixture as a solution, colloid, orsuspension. Explain.

Building Vocabulary

Word Bank: Solution, Suspension, Colloid, Solute, Solvent,

8/13/2019 Ch 11 Worksheets

3/3

Name Date Class

Working with SolubilityFill in the blank to complete each statement. Word Bank: Saturated, adding, polar,unsaturated

1. A solution in which more solute can be dissolved is called a(n) _________________solution.

2. A solution in which no moresolute can be dissolved is called a(n) _________________solution.

3. Ionic and polar compounds usually dissolve in _________________ solvents.

4.The concentration of a solution can be changed by _________________ solute.

5. ___ dilute solution

6. ___ concentrated solution

7. ___ solubility

8. ___ saturated solution

a. a measure of how much solute can dissolve in asolvent at a given temperature

b. a solution that has so much solute that no more candissolve

c. a solution that has only a little solute

d. a solution that has a lot of solute

Building Vocabulary

Match each term with its definition by writing the letter of the correct definition in theright column on the line beside the term in the left column.