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WorksheetsMixtures Review
Total questions: 45
Worksheet time: 53mins
Name
Class
Date
1.
Oil does not dissolve in water. Oil is
a)
soluble
b)
insoluble
c)
the solvent
d)
the solute
2.
Solutions are
a)
heterogeneous mixtures
b)
homogeneous mixtures
c)
compounds
d)
elements
3.
The solubility of solute X is 10 grams/30 ml at 20oC. A solution that has a concentration of 2g/30ml is classified as
a)
saturated
b)
unsaturated
c)
supersaturated
d)
superdupersaturated
4.
Suspensions are classified as
a)
compounds
b)
elements
c)
homogeneous mixtures
d)
heterogeneous mixtures
5.
The fresh lemonade that you made is too strong (sour). To fix the problem you should...
a)
add more solute
b)
add more solvent
c)
dump the whole thing out and drink a Coke instead
6.
The fresh lemonade you made is too weak. You should
a)
add more solute
b)
add more solvent
c)
dump the whole thing out and drink a Coke instead
7.
91% isopropyl alcohol is a solution. 91% means that for every 100 molecules of H2O in the solution, 91 of them are isopropyl alcohol and the remaining 9 molecules are H2O. In this solution water is the
a)
solvent
b)
solution
8.
You begin pouring sodium chloride into a glass of water. For a long time, the sodium chloride just dissolves in the H2O, but suddenly it begins to pile up at the bottom of the glass. Which statement is true?
a)
the sodium chloride ha increased the temperature of the solution
b)
the sodium chloride has decreased the temperature of the solution
c)
the solution is saturated
d)
the solution is unsaturated
9.
Two beakers are filled with the same amount of water at the same temperature. You add 50g of Substance A to the first beaker, and 50g of Substance B to the second beaker. After stirring both beakers, there is a small pile of Substance A at the bottom of the first beaker. None of Substance B is visible in the second beaker. Which of the following statements is true?
a)
substance A is less soluble in water than substance B
b)
substance A is more soluble in water than Substance B
c)
substance A is not soluble in water
d)
substance B is not soluble in water
10.
Which of the charts shown is most likely to represent a saturated solution?
a)
A
b)
B
c)
C
d)
D
11.
If more solvent is added to an existing solution without changing the amount of solute, the concentration of the solution will
a)
increase
b)
decrease
c)
stay the same
12.
H2O is a ______________________ substance
a)
polar
b)
nonpolar
13.
True or False, solids can be solvents.
a)
true
b)
false
14.
If more solute is added to an existing solution without changing the amount of solvent, the concentration of the solution will
a)
increase
b)
decrease
c)
stay the same
15.
Food coloring is added to water to make a solution. The food coloring is the
a)
solvent
b)
solute
16.
The solubility of solute X is 10 grams/30 ml at 20oC. A solution that has a concentration of 15g/30ml is classified as
a)
saturated
b)
supersaturated
c)
unsaturated
17.
The solubility of solute X is 10 grams/30 ml at 20oC. A solution that has a concentration of 10g/30ml is classified as
a)
saturated
b)
unsaturated
c)
supersaturated
18.
The solubility of solute X is 10 grams/30 ml at 20oC. If the temperature is increased to 30oC __________ could be held
a)
more solute
b)
less solute
c)
the same amount of solute
19.
Solute X is a gas added to a liquid solvent. The solubility of solute X is 10 grams/30 ml at 20oC. If the pressure on a liquid solution is increased, the solubility of the Solute X will
a)
increase
b)
decrease
c)
stay the same
20.
Which solution is more concentrated?
a)
A
b)
B
21.
Which solution is more dilute?
a)
A
b)
B
22.
What is the concentration of Substance F in Step B?
a)
1/10
b)
1/100
c)
1/1,000
d)
1/10,000
23.
What is the dilution of Substance F in Step C?
a)
1/10
b)
1/100
c)
1/1,000
d)
1/10,000
24.
In which test tube would you find a dilution of 1 ppm (part per million)?
a)
C
b)
G
c)
J
d)
M
25.
In which test tube would you find a dilution of 1 ppb (part per billion)
a)
E
b)
J
c)
M
d)
N
26.
Each circle represents an atom and each different color represents a different kind of atom. If two atoms are touching they are bonded together. This image is a model of a
a)
compound
b)
mixture of elements & compounds
c)
mixture of elements
d)
mixture of compounds
27.
Each circle represents an atom and each different color represents a different kind of atom. If two atoms are touching they are bonded together. This image is a model of a
a)
mixture of compounds
b)
mixture of elements
c)
mixture or elements & compounds
d)
compound
28.
Each circle represents an atom and each different color represents a different kind of atom. If two atoms are touching they are bonded together. This image is a model of a
a)
mixture of compounds
b)
mixture of elements
c)
mixture or elements & compounds
d)
compound
29.
Each circle represents an atom and each different color represents a different kind of atom. If two atoms are touching they are bonded together. This image is a model of a
a)
mixture of elements
b)
mixture of compounds
c)
mixture of elements & compounds
d)
compound
30.
Each circle represents an atom and each different color represents a different kind of atom. If two atoms are touching they are bonded together. This image is a model of a(n)
a)
element
b)
compound
c)
mixture of elements
d)
mixture of compounds
31.
Each circle represents an atom and each different color represents a different kind of atom. If two atoms are touching they are bonded together. This image is a model of a(n)
a)
element
b)
compound
c)
mixture of elements
d)
mixture of compounds
32.
In which of the following is light not scattered?
a)
solution
b)
colloid
c)
suspension
33.
In which of the following will settling occur?
a)
a solution
b)
a suspension
c)
a colloid
34.
Which of the following has the mixture's particle size listed in order of greatest to smallest?
a)
colloid, suspension, solution
b)
solution, colloid, suspension
c)
suspension, colloid, solution
d)
suspension, solution, colloid
35.
Fog is an example of a
a)
solution
b)
colloid
c)
suspension
36.
Saltwater is an example of a
a)
solution
b)
suspension
c)
colloid
37.
3 grams of solute has been added to a 10 ml solution. The solution's concentration is
a)
30%
b)
3%
c)
100%
d)
13%
38.
This mixture can be classified by color as
a)
homogeneous
b)
heterogeneous
39.
This mixture can be classified by shape as
a)
homogeneous
b)
heterogeneous
40.
Which solution is less concentrated?
a)
a saturated solution
b)
an unsaturated solution
c)
a supersaturated solution
41.
Which can hold more solid solute, warm H2O or cool H2O?
a)
warm H2O
b)
cool H2O
42.
Which can hold more gaseous solute, warm H2O or cool H2O?
a)
warm H2O
b)
cool H2O
43.
Substance G is nonpolar. It is
a)
soluble in H2O
b)
insoluble in H2O
44.
Increasing the surface area of a a solid solute will
a)
increase solubility
b)
decrease solubility
c)
have no effect on solubility
45.
Stirring a solution will
a)
increase solubility of the solute
b)
decrease the solubility of the solute
c)
have no effect on the solubility of the solute
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