Solutions Multiple Choice Test
For your review in chemistry, you can use this 30 - item questions which I prepared for you.
1. A
homogeneous mixture of two substances is a
a. colloid. c. solution.
b. suspension. d. compound.
2. The
dissolving medium in the solution is the
a. solute. c. solution.
b. solvent. d. mixture.
3.
What kind of solution forms when gasoline evaporates in air?
a. gas
in gas solution c. liquid in gas solution
b. gas
in liquid solution d. liquid in liquid solution
4.
Which of the particles may not be found in solutions?
a. atoms c. molecules
b. ions d. cluster of molecules
5.
Which of the following is not a solution?
a. zinc c. brass
b. sterling
silver d. stainless steel
6.
What is the solvent in 70% alcohol solution?
a. alcohol c. sugar
b. water d. kerosene
7.
Which of these solutions is in solid phase?
a. tincture
of iodine c. aerosol
b. air-iodine
solution d. dental amalgam
8.
Which of the following is not a property of solution?
a. It
has a definite composition.
b. It
has a homogeneous composition.
c. It
is consist of a single phase.
d. It
can be physically separated into its components.
9. A
solution containing the maximum amount of dissolved solute is
a. concentrated. c. dilute.
b. unsaturated. d. saturated.
10. When a small amount of crystal solute is
added to the supersaturated solution, the solute crystals will ______.
a. remain
unchanged. c. grow bigger.
b. slightly
dissolve. d. dissolve completely.
11. Of
the following, which will increase the solubility of a gas in water?
a. increasing
the temperature c. increasing the volume
b. increasing
the pressure d. decreasing the pressure
12. What opposing processes occur in saturated
solution?
a. Vaporization
and condensation c. Oxidation and reduction
b. Dissolution
and crystallization d. Dissociation and reduction
13. Which solutions has concentration of 1M? The molar mass of sucrose is 342 g. A solution containing
a. 342
g sucrose in 658 g of water
b. 342
g sucrose in 1000 mL of solution
c. 342
g sucrose in 1000 g of water
d. 342
g sucrose in 1000 g of solution
14.
Kerosene is a nonpolar solvent.
Which solute will dissolve in it?
a. hexane c. ethanol
b. sodium
carbonate d. potassium chloride
15.
Which of the following will increase the rate at which a solid dissolves
in a liquid?
a. Lowering
the temperature of the solvent.
b. Grinding
the solid into smaller pieces.
c. Placing
the solution in opaque pieces.
d. Supersaturating
the solution.
16.
Under which conditions of temperature and pressure is a gas most soluble
in water?
a. High
temperature and low pressure
b. High
temperature and high pressure
c. Low
temperature and low pressure
d. Low
temperature and high pressure
17. The solubility of NaCl in water at 20 oC
is 36 g in 100 g of water. What kind of
solution contains 18 g NaCl in 50 g of water at 20 oC?
a. It
is saturated. c. It is supersaturated.
b. It
is unsaturated. d. It is dilute.
18.
Most salt become soluble in water as the
a. pressure
is increased. c. temperature is decreased.
b. temperature
is increased. d. pressure is decreased.
19. It
refers to the mass of solute dissolve in 100 g of solution.
a. Percent
by mass c. Molarity
b. Molality d. Mole fraction
20. The
number of moles of solute divided by the number of kilograms of solvent is
a. Percent
by mass c. Molarity
b. Molality d. Mole fraction
21. It refers to the process of preparing a less
concentrated solution from a more concentrated solution.
a. Molarity c. Dilution
b. Normality d. Molality
22. In
dilution of solution,
a. a
solute is added to the solution.
b. solvent
is added to the solution.
c. the
amount of moles increases.
d. volume
of solution decreases.
23. A
40% alcohol contains
a. 40
mL alcohol in 100 mL of water.
b. 40
mL alcohol in 60 mL of water.
c. 60
mL of alcohol in 100 mL of water.
d. 60
mL of alcohol in 40 mL of water.
24.
What is the % by volume of alcohol in 50-proof whisky?
a. 100 c. 150
b. 25 d. 75
25. What is the molar concentration of a solution
containing 15.0 g of CH3COOH and 20 mL of water?
a. 1.25
M c. 0.125 M
b. 12.5
M d. 0.0125 M
26. How much concentrated HCl (12 M) is needed in
the preparation of 500 mL (0.5 M) solution of HCl?
a. 20.
8 mL c. 250 mL
b. 229.2
mL d. 270.8 mL
27. What is the mole fraction of ascorbic acid, C6H8O6,
in a solution containing 80.5 g of ascorbic acid and 210 g of water?
a. 0.0377 c. 0.457
b. 0.962 d. 11.67
28.
What is the molality when 75.0 grams of MgCl2 is dissolved in
500.0 g of solvent?
a. 1.28
m c. 2.18 m
b. 1.58
m d. 5.18 m
29. The
solubility of a gas dissolved in a liquid is not affected by the
a. Nature
of solute and solvent c. Temperature
b. Rate
at which the gas dissolves d. Pressure
30.
Which involves the colligative properties?
a. Heating
of solvent.
b. Allowing
a carbonated beverage to warm to room temperature.
c. Adding
salt to the water in which pasta is being cooked.
d. Pouring
a concentrated solution into a dilute solution.
ANSWERS TO QUESTIONS
1. c
2. b
3. c
4. d
5. a
6. a
7. d
8. a
9. d
10. a
11. b
12. b
13. b
14. a
15. b
16. d
17. a
18. b
19. a
20. b
21. c
22. b
23. b
24. b
25. b
26. a
27. a
28. b
29. b
30. c
Thanks~! This help me a lot
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