WorksheetsSolutions review
Total questions: 40
Worksheet time: 45mins
Name
Class
Date
1.
The image shown is an example of a ________.
a)
solution
b)
mixture
c)
suspension
2.
The image shown is an example of a ___________.
a)
solution
b)
mixture
c)
gas
d)
plasma
3.
Can a mixture be separated?
a)
No
b)
Yes
c)
Only sometimes
4.
A tossed salad would be considered a _______________.
a)
Solution
b)
Mixture
5.
Another example of a mixture is
a)
Water and oil
b)
Cereal and Milk
c)
Sand and water
d)
All of the above
6.
This type of mixture contains two or more substances that are visibly distinguishable.
a)
homogeneous
b)
heterogeneous
c)
solution
d)
colloid
7.
Which of the following is a heterogeneous mixture?
a)
whole wheat bread
b)
salt
c)
water
d)
a sugar-water solution
8.
Which of the following is a homogeneous mixture?
a)
salt
b)
water
c)
sugar
d)
a sugar-water solution
9.
Carbon dioxide dissolved in soda is an example of which solute-solvent combination?
a)
gas-air
b)
liquid-gas
c)
gas-liquid
d)
liquid-air
10.
Which of the following is a homogeneous mixture?
a)
ocean water
b)
water
c)
salt water
d)
soda pop
11.
Which of the following does not effect the rate of dissolution?
a)
temperature
b)
agitation
c)
speed
d)
surface area
12.
Which of the following would have the slowest rate of dissolution?
a)
a sugar cube in hot water
b)
a sugar cube in cool water
c)
powdered sugar in cool water
d)
powdered sugar in hot water
13.
Which of the following would have the fastest rate of dissolution?
a)
a sugar cube in hot water
b)
a sugar cube in cool water
c)
powdered sugar in hot water
d)
powdered sugar in cool water
14.
Two liquids that do not dissolve (form a homogeneous mixture) when mixed are called
a)
immiscible
b)
miscible
c)
mixable
d)
immixable
15.
40g of KCl dissolved in 100g of water at 60*C creates a solution that is
a)
unsaturated
b)
saturated
c)
supersaturated
16.
A saturated solution is______
a)
No more solute can be dissolved
b)
More solute can be dissolved
c)
The solvent and solution
17.
The _____________ is the one doing the dissolving (water).
a)
solvent
b)
solute
c)
mixture
d)
reatants
18.
Water is the universal solvent
a)
true
b)
false
19.
True or false? Insoluble means that two substances can dissolve in one another.
a)
true
b)
false
20.
When a substance can dissolve in another substance, it is said to be..
a)
soluble
b)
insoluble
c)
dissolvable
d)
immiscible
21.
The other component of a solution is the part that does the dissolving. What is the name of this component?
a)
solvent
b)
solution
c)
solute
d)
oxidation
22.
This type of mixture contains two or more substances that are visibly distinguishable.
a)
homogeneous
b)
heterogeneous
c)
solution
d)
colloid
23.
What is a solid
a)
Takes up space
b)
Gas
c)
liquid
d)
Evaporation
24.
what evaporation
a)
liquid
b)
Solid
c)
consideration
d)
Water turns to gas
25.
What is matter
a)
Solid
b)
Liquid
c)
Solid,liquid,gas
d)
Gas
26.
does liquid take up space
a)
True
b)
false
27.
Are Mixures and solutions the same
a)
Yes
b)
no
28.
What is a liquid
a)
Orange juice
b)
Fills space
c)
Brick
d)
A mixture
29.
What is condensation
a)
solid
b)
Vapor or gas into a liquid
c)
Brick
d)
Ribbon
30.
A beaker containing 80 grams of lead(II) nitrate, Pb(NO3)2, in 100 grams of water has a temperature of 30 ºC. Approximately how many grams of the salt are undissolved, on the bottom of the beaker?
a)
20 grams
b)
80 grams
c)
66 grams
d)
14 grams
31.
Which salt is LEAST soluble at 0 ºC?
a)
K2Cr2O7
b)
KNO3
c)
KClO3
d)
Ce2(SO4)3
32.
How many grams of sodium nitrate, NaNO3, are soluble in 100 g of water at 10 ºC?
a)
80 grams
b)
100 grams
c)
40 grams
d)
10 grams
33.
When 50 grams of potassium chloride, KCl, is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:
a)
supersaturated
b)
unsaturated
c)
saturated
34.
When 20 grams of potassium chlorate, KClO3, is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:
a)
supersaturated
b)
saturated
c)
unsaturated
35.
At approximately what temperature does the solubility of sodium chloride, NaCl, match the solubility of potassium dichromate, K2Cr2O7?
a)
60 ºC
b)
30 ºC
c)
50 ºC
d)
83 ºC
36.
Which of these salts decreases in solubility as the temperature increases.
a)
Ce2(SO4)3
b)
KClO3
c)
K2Cr2O7
d)
KNO3
37.
A solution of potassium chlorate, KClO3, has 20 grams of the salt dissolved in 100 grams of water at 70 ºC. Approximately how many more grams of the salt can be added to the solution before reaching the saturation point?
a)
10 grams
b)
30 grams
c)
80 grams
d)
60 grams
38.
When 30 grams of potassium nitrate, KNO3, is dissolved in 100 grams of water at 20 ºC, the solution can be correctly described as:
a)
saturated
b)
unsaturated
c)
supersaturated
39.
Describe a solute.
a)
part of solution present in largest amount
b)
gets dissolved
c)
water
d)
surrounds and breaks apart
40.
How does a solution become supersaturated?
a)
dissolve lots of solute in it.
b)
dissolve a little solute in it.
c)
dissolve more solute than you should be able to.
d)
dissolve a super amount of solvent in it.
100 %
