Chapter 6 quiz
Name: _________________ Div. ____
True/False
Indicate whether the sentence or statement is true or false.
____
1. A substance is soluble in a solvent when it dissolves in this solvent.
____
2. A concentrated solution has a small amount of solute dissolved in a certain quantity of solvent.
____
3. Under normal conditions, a saturated solution can still dissolve more solute.
____
4. The size of sugar pieces does not affect the rate at which sugar dissolves in hot water.
____
5. Substances with a pH less than 7 are acidic.
Multiple Choice
____
6. Which of the following does NOT speed up dissolving?
a. Stir the mixture.
c. Increase the size of container.
b. Heat the solvent.
d. Break the solute into smaller pieces.
____ 7. What is a compound that turns one colour in an acid and a different colour in a base?
a. a neutral substance
c. an indicator
b. a crystal
d. a saturated solution
____ 8. Which of the following antacid tablets will dissolve the fastest in your stomach?
a. a whole tablet
c. a tablet cut in half
b. a crushed tablet
d. a tablet cut into quarters
____ 9. Which of the following increases the rate of dissolving?
a. The solvent is cooled and then stirred.
b. The solute is in small pieces and the solvent is heated.
c. The solute is in larger pieces and the mixture is stirred.
d. Both the solute and the solvent are heated and then left undisturbed.
____ 10. Which of the following is true about litmus paper
a. acids turns red litmus paper blue
c. bases turn blue litmus paper red
b. bases turn blue litmus blue and red litmus d. acids turns red litmus paper blue and turns
paper blue
blue litmus paper red
Matching
Identify each solution as either saturated or unsaturated.
a. saturated
b. Unsaturated
____ 11. A crystal added to the solution dissolves.
____ 12. A crystal added to the solution will not dissolve.
Match the correct separation method to each of the following descriptions.
a. magnetism
b. flotation
____
d. filtration
e. Distillation
f. Crystallization
13. a method where the solvent evaporates and the solute is left behind
____ 14. a method that uses filter paper to separate a solid from a liquid
____ 15. a method used to separate a substance that is less dense than the solvent
____ 16. a method that uses evaporation and condensation to separate the solute from the solvent
Short Answer
17. What are three characteristics of acids?
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
18. What are three characteristics of a base?
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
19. Name three ways you could dissolve a solid solute in a liquid solvent more quickly.
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
20. Draw and label a method of distillation on back.
Chapter 6 quiz
Answer Section
TRUE/FALSE
1. ANS: T
DIF: Easy
OBJ: Section 6.1
LOC: PS-C-01
TOP: Chemistry
KEY: soluble
MSC: Knowledge
2. ANS: F
A concentrated solution has a large amount of solute dissolved in a certain quantity of solvent.
DIF: Easy
OBJ: Section 6.1
LOC: PS-C-01
TOP: Chemistry
KEY: dissolving
MSC: Knowledge
3. ANS: F
Under normal conditions, a saturated solution can dissolve no more solute.
DIF: Easy
OBJ: Section 6.2
LOC: PS-C-01
TOP: Chemistry
KEY: saturated
MSC: Knowledge
4. ANS: F
The size of sugar pieces affects the rate at which sugar dissolves in hot water. Smaller pieces dissolve faster.
DIF:
KEY:
5. ANS:
TOP:
Average
OBJ: Section 6.2
rate of dissolving
T
DIF: Easy
Chemistry
KEY: acidic
LOC:
MSC:
OBJ:
MSC:
PS-C-01
Knowledge
Section 6.3
Knowledge
TOP: Chemistry
LOC: PS-C-01
LOC: PS-C-01
MULTIPLE CHOICE
6. ANS:
TOP:
7. ANS:
TOP:
8. ANS:
TOP:
9. ANS:
TOP:
10. ANS:
TOP:
11. ANS:
TOP:
B
Chemistry
C
Chemistry
C
Chemistry
B
Chemistry
B
Chemistry
B
Chemistry
DIF:
KEY:
DIF:
KEY:
DIF:
KEY:
DIF:
KEY:
DIF:
KEY:
DIF:
KEY:
Average
OBJ:
solvent
MSC:
Average
OBJ:
rate of dissolving
Average
OBJ:
indicator
MSC:
Average
OBJ:
solubility
MSC:
Difficult
OBJ:
rate of dissolving
Difficult
OBJ:
acidic
MSC:
Section 6.1
Knowledge
Section 6.2
B
Chemistry
A
Chemistry
B
DIF:
KEY:
DIF:
KEY:
DIF:
Easy
unsaturated
Easy
saturated
Easy
Section 6.2
Knowledge
Section 6.2
Knowledge
Section 6.2
Section 6.3
Knowledge
Section 6.2
Knowledge
Section 6.2
Section 6.3
Knowledge
LOC: PS-C-01
MSC: Knowledge
LOC: PS-C-01
LOC: PS-C-01
LOC: PS-C-01
MSC: Knowledge
LOC: PS-C-01, PS-C-03
MATCHING
12. ANS:
TOP:
13. ANS:
TOP:
14. ANS:
OBJ:
MSC:
OBJ:
MSC:
OBJ:
LOC: PS-C-01
LOC: PS-C-01
LOC: PS-C-01
TOP:
15. ANS:
TOP:
16. ANS:
TOP:
Chemistry
A
Chemistry
A
Chemistry
KEY:
DIF:
KEY:
DIF:
KEY:
unsaturated
Easy
saturated
Easy
saturated
MSC:
OBJ:
MSC:
OBJ:
MSC:
Knowledge
Section 6.2
Knowledge
Section 6.2
Knowledge
LOC: PS-C-01
LOC: PS-C-01
SHORT ANSWER
17. ANS:
Acids taste sour, corrode metals, and can cause severe burns to skin.
Bases taste bitter, break down oils and fats, have a slippery texture, and can cause severe burns to skin.
DIF: Average
OBJ: Section 6.3
LOC: PS-C-01
TOP: Chemistry
KEY: acid, base
MSC: Knowledge
18. ANS:
Yes, there is a limit to how strong Darren can make his iced tea. After dissolving a certain quantity of iced tea
mix in water, no more will dissolve. All of the water particles are attracted to as many iced tea particles as
possible.
DIF: Average
OBJ: Section 6.2
KEY: solubility
MSC: Knowledge
19. ANS:
• Heat the solvent.
• Stir the mixture.
• Break the solute into smaller pieces.
DIF: Easy
OBJ: Section 6.2
KEY: solvent, solute
LOC: PS-C-01
TOP: Chemistry
LOC: PS-C-01
MSC: Knowledge
TOP: Chemistry