Name _________________________________________________________________ Period______________
Homework Suspensions and Solutions
Solutions and Suspensions (pages 80-81)
1. What is a suspension?
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2. A well-mixed mixture is called a(n) _____________________________________.
3. Circle the letter of the mixture that is evenly mixed throughout.
a. mixture
b. solution
c. suspension
d. compound
4. Circle the letter of each method you could use to separate salt from water.
a. filtering
b. boiling
c. evaporation
d. settling
Solvents and Solutes (pages 81-82)
5. Complete the table about solvents and solutes.
Part
Definition
Which part of Salt water solution?
Solvent
Solute
6. In a solution, the ________________________ is dissolved by the ______________________________.
7. Why is water called the "universal solvent"?
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8. According to the table in Figure 3 on page 82, what is the solute and what is the solvent in the solution called air?
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What happens to the solute's particles whenever a solution forms? Particles in a Solution (pages 82-83)
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9. Circle the letter of each sentence that is true about particles in a solution.
a. When an ionic solid mixes with water, its ions repel water molecules.
b. When a molecular solid mixes with water, the covalent bonds are undisturbed.
c. When an ionic solid mixes with water, water molecules surround each ion.
d. When a molecular solid mixes with water, the solute's molecules break up into individual neutral molecules
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Name _________________________________________________________________ Period______________
Homework Suspensions and Solutions
Concentration (page 83)
Term
Definition
dilute solution
concentrated solution
Solubility (page 84)
13. What is solubility?
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14. A mixture that has so much solute in it that no more will dissolve is called a(n) ________________________________.
15. A mixture in which more solute can be dissolved is called a(n)___________________________________.
16. Which is more soluble in water, salt or sugar? ______________________________.
Changing Solubility (pages 84-85)
17. What are three factors that affect the solubility of a substance?
a. ________________________ b. __________________________ c.________________________
18. Circle the letter of each sentence that is true about temperature and solubility.
a. Most solids become more soluble as the temperature goes up.
b. Most gases become less soluble as the temperature goes up.
c. Sugar dissolves better in cold water than in hot water.
d. Carbon dioxide dissolves better in cold water than in hot water.
19. Ionic and polar compounds ________________________ in polar solvents.
Effects of Solutes on Solutions (pages 86-87)
20. Circle the letter of each sentence that is true about the effects of solutes on solutions.
a. Solutes raise the boiling point of a solvent.
b. The temperature must drop lower than 0°C for water to freeze when a solute is dissolved in the water.
c. Solutes raise the freezing point of a solvent.
d. Antifreeze boils at a lower temperature than pure water.
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