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Solutions & Solubility Questions

Total questions: 50

Worksheet time: 1hrs 20mins

Name
Class
Date
1.

By definition a solution is a ____________ mixture that consists of a solvent and solute.

a)

homogeneous

b)

heterogeneous

c)

colloid

d)

solid

2.

The air we breathe is generally considered what kind of solution?

a)

heterogenous gas

b)

homogeneous gas

3.

Which of the following refers to substances that do not mix together and look different throughout?

a)

homogeneous mixture

b)

solution

c)

heterogeneous mixture

d)

solubility curve

4.

Which of the following refers to the substance that is being dissolved in a solution?

a)

solvent

b)

solute

c)

mixture

5.

Which of the following is an example of a solvent?

a)

sugar

b)

salt

c)

copper sulphate

d)

water

6.
Question Image

Identify a solute, the solvent, and the solution in a carbonated drink (like soda).​

a)

Carbon Dioxide (dissolved in the drink)

1.

Solute

b)

Water

2.

Solvent

c)

The Carbonated Drink

3.

Solution

7.

Water is called the solvent.

(a)  

8.
You can make a solution more concentrated by adding __________.
a)
solute
b)
solvent
c)
water
9.

Solubility is defined as the amount of substance that can ______ in a specific water at a given _______

a)

dissolve, pressure

b)

dissolve, tempetarure

c)

float, temperature

d)

solute, solvent

10.
What does it mean to be "Soluble" ?
a)
Capable of being a solid.
b)
To have soul.
c)
Capable of being dissolved.
d)
To sink.
11.

The ___ does the dissolving, while the ____ gets dissolved.

a)

solvent, solute

b)

solute, solvent

c)

solute, solution

d)

solution, solute

12.
The concentration of a mixture can be increased in which of the following ways?
a)
Heating the mixture
b)
Adding more water “solvent”
c)
Adding more powder “solute”
d)
Stirring the mixture
13.
In the above picture, a powder is about to be poured into the liquid. Which of the following should be done to make this powder dissolve faster?

a)
stir the powder in the liquid
b)
freeze the mixture
c)
add more powder to the liquid
d)
store the mixture in a dark place
14.
Kool-Aid - Powder, sugar, and water
Identify the solvent 
a)
water
b)
powder
c)
sugar
d)
powder and sugar
15.
When Koolaid mix is light colored and tastes watery it is a _______ solution.
a)
saturated 
b)
diluted
16.
When a Koolaid mix in water is dark in color and very sweet it is a __________ solution.
a)
concentrated 
b)
Diluted
17.
When a certain amount of solvent cannot hold any more solute it is called a ________ solution.
a)
Diluted
b)
Saturated
18.

Which of the following should be done to make the solute dissolve faster in the solvent?

a)

stir the solute

b)

freeze the solute

c)

decrease the temperature of the solvent

d)

increase the particle size of the solute

19.
What type of solution is holds more than the maximum amount of solute when it is rapidly heated & then cooled slowly producing crystals?
a)
unsaturated 
b)
saturated 
c)
supersaturated 
20.

Which of the following actions will NOT increase the rate of dissolution (dissolving)?

a)

Stirring the solution

b)

Decreasing the temperature

c)

Increasing the surface area of the

solute

d)

Increasing the temperature

21.
What does it mean if a mixture is homogeneous?
a)
you can see the different parts
b)
cannot tell one part from another
c)
chunks of particles
d)
made of elements
22.
Solution where more solute can still be dissolved at the given temperature. 
a)
Saturated
b)
Unsaturated
c)
Supersaturated
d)
Homogeneous solution
23.
True or false? Insoluble means that two substances can dissolve in one another.
a)
true
b)
false
24.

Which of the following factors affects the solubility of substances?

a)

temperature

b)

surface area

c)

agitation

d)

amount of solvent

25.
Solutions are composed of __________ .
a)
salts and solutes
b)
solvents and salts
c)
solutes and alloys
d)
solutes and solvents
26.

Which would NOT increase the rate at which a sugar cube dissolves?

a)

Reducing the amount of solvent

b)

Crushing the sugar cube

c)

Stirring the solution

d)

Heating the solvent

27.

You can make a solute dissolve more quickly in a solvent by

a)

adding more solute.

b)

adding ice.

c)

heating the solvent.

d)

removing some solvent.

28.

Solute + Solvent =

a)

Mixture

b)

colloid

c)

suspension

d)

solution

29.

Select all the factors which can affect the solubility of a substance

a)

type of container

b)

size of solute or the surface area of the solute

c)

the amount of stirring

d)

colour of the solute

e)

temperature

30.

Select ALL the correct statement from the options below

a)

The hotter the water, the slower the salt will dissolve

b)

The hotter the water, the faster the salt will dissolve

c)

The smaller the size of the salt particles, the faster they will dissolve

d)

The larger the salt particles, the faster they will dissolve

31.

In a homogenous mixture, the composition is uniform or the same throughout.

a)

True

b)

False

32.

Determine the solute and solvent for the given solution:

Sugar and lemonade

a)

Lemonade is the solute

b)

Sugar is the solute

c)

Lemonade is the solvent

d)

Sugar is the solvent

33.
If an electrical current can run through a solution, it is said to contain
a)
magic
b)
nonelectrolytes
c)
electricity
d)
electrolytes
34.
Which of the following would dissolve the slowest?
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
35.
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 solvent in it. 
36.

Which would NOT increase the rate at which a sugar cube dissolves?

a)

Reducing the amount of solvent

b)

Crushing the sugar cube

c)

Stirring the solution

d)

Heating the solvent

37.
Something that cannot be dissolved into a solution is called
a)
soluble
b)
insoluble
c)
solution
d)
suspension
38.

Benjamin, James, and Nora were conducting a science experiment. They were trying to dissolve sugar in a glass of water at room temperature. Benjamin noticed that the sugar was not completely dissolving. How would you describe this solution?

a)

A solution that holds less solute than is possible at that temperature

b)

A solution that holds as much solute as is possible at that temperature

c)

A solution that holds more solute than is normally possible at that temperature

d)

A solution that holds an equal amount of solute and solvent

39.

Lily, Noah, and Ethan are conducting a science experiment. They are trying to dissolve different substances in water. What factors might affect the solubility of these substances?

a)

Like dissolves like

b)

Opposites attract

c)

Temperature and pressure

d)

Concentration and volume

40.

Which substance is MOST soluble at 90 ºC?

a)

Solid A

b)

Solid B

c)

Solid C

41.

Which solute is least soluble at 90 ⁰C?

a)

solid A

b)

solid B

c)

solid C

42.

Sugar dissolved in water is an example of a

a)

Homogeneous Mixture

b)

Heterogeneous Mixture

43.

Milk and gelatin are examples of __________________.

a)

suspensions

b)

colloids

c)

solutions

44.

Fruit Loops, pizza, and Skittles are examples of ____________________ mixtures.

a)

heterogeneous

b)

homogeneous

c)

pure

45.

Coffee, mouthwash, and vinegar are examples of __________________ mixtures.

a)

heterogeneous

b)

homogeneous

c)

pure

46.

sand in water

a)

solution

b)

suspension

c)

colloid

d)

alloy

47.

mayo

a)

solution

b)

suspension

c)

colloid

d)

alloy

48.

Based on the solubility curve, how many grams of sugar will dissolve in a 100 mL of water at 20°C?

a)

100 g

b)

150 g

c)

200 g

d)

250 g

49.

What does it mean if a solution is saturated?

a)

The solution is holding as much solute as it can at that temperature and pressure.

b)

The solution is unsaturated and has a low concentration of solute.

c)

The solution is diluted and has a low concentration of solute.

d)

The solution is supersaturated and has a high concentration of solute.

50.

On the solubility curve given, what mass of KNO3 will dissolve at 70 degrees Celcius?

a)

200 g

b)

150 g

c)

135 g

d)

115 g

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