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EFFECTS OF DISSOLUTION PRACTICE TEST : REVIEW

Total questions: 55

Worksheet time: 4hrs 35mins

Name
Class
Date
1.
When one of the parts of the solution is water we call it _________. 
a)
water stuff 
b)
water mixture 
c)
aqua-man
d)
aqueous 
2.
Solutions are composed of __________ .
a)
salts and solutes
b)
solvents and salts
c)
solutes and alloys
d)
solutes and solvents
3.
If we are making Kool-aid with sugar, Kool-aid powder, and water, which part is the solvent?
a)
water
b)
powder
c)
sugar
d)
powder and sugar
4.

In Michael's science experiment with salt water, NaCl (salt) would be considered the ______.

a)

Solution

b)

Solute

c)

Solvent

d)

Solvation

5.

You can make a solution more concentrated by adding more __________.

a)
solute
b)
solvent
c)
water
d)

solution

6.

Avery is conducting a science experiment. When water is added to a solution it is called a ______________

a)

dilution

b)

concentration

c)

heterogeneous solution

d)

dissociation

7.

Luna and Daniel are conducting an experiment to see how much __________ can dissolve in a solvent to create saturated, unsaturated, and supersaturated solutions.

a)

sugar

b)

liquid

c)

solution

d)

solute

8.

A solution that contains all of the solute that it can hold at a given temperature.

a)

unsaturated solution

b)
saturated solution
c)

homogeneous solution

d)
diluted solution
9.
Solutions are composed of __________ .
a)
salts and solutes
b)
solvents and salts
c)
solutes and alloys
d)
solutes and solvents
10.

In a science experiment, Avery dissolved sugar in water. What is the substance in which the sugar is dissolved?

a)

sands

b)

solvent

c)

alloy

d)

negative particles

11.

Emma is making a sugar solution for her science experiment. What is the substance being dissolved in the solution?

a)

sands

b)

solute

c)

solvent

d)

alloy

12.

Aria is making lemonade. She adds sugar to the water. The sugar is a

a)

solute

b)

solution

c)

science

13.
A solution is a kind of ________. 
a)
mixture 
b)
compound 
c)
element 
d)
stuff 
14.
a)

solvent

b)

solute

15.
a)

solvent

b)

solution

c)

solute

16.
a)

solute

b)

solvent

17.
a)

solvent

b)

solute

18.
a)

solvent

b)

solute

19.

The smaller the particle size the faster the rate of dissolution (rate of dissolving).

a)

True

b)

False

20.

True or False

The rate of dissolving of a solute in a solvent is faster when the solute and solvent are stirred.

a)

True

b)

False

21.

Jackson is making dinner and is trying to dissolve salt into a pot of water. The salt is dissolving slowly. What should Jackson do to speed up the rate of dissolving?

a)

He should put larger salt particles in the water.

b)

He should heat the water to a higher temperature.

c)

He should completely stop stirring the pot of water.

d)

He should slow down the speed he is stirring the pot.

22.

What combination would dissolve a solid solute the fastest?

a)

high temperature, no stirring

b)

no heat, no stirring

c)

sugar cube, no heat

d)

high temperature, stirring

23.

Stirring the solution increases the rate of dissolution (rate of dissolving).

a)

True

b)

False

24.

The sugar cubes are called the

a)

solute

b)

solvent

25.

The water is called the

a)

solvent

b)

solute

26.
Anna filled a ​cup with hot tea. Then she added a sugar cube. ​Which of these will help to make the sugar cube dissolve more quickly? 
a)
stirring the hot tea
b)
adding more sugar cubes
c)
adding ice to the tea
d)
pouring more tea into the cup
27.
Ernesto and Amanda fill two cups with water. They use hot water in one cup and cold water in the other cup. Next, they will stir a spoon of salt into each cup.     

In which cup will the salt dissolve more slowly? 
a)
The salt will not dissolve in either cup
b)
The salt dissolves more slowly in the hot water
c)
The salt dissolves more slowly in the cold water
d)
The salt dissolves at the same speed in both cups
28.
What is a substance that is dissolved in another substance? 
a)
solution
b)
solute
c)
solvent
d)
compound
29.
What is a solvent?
a)
The substance that does the dissolving in a solution.
b)
The substance that is being dissolved in a solution.
c)
The mixing of different substances.
d)
The process in which neutral molecules lose or gain electrons
30.

A solution with high amount of solute

a)

concentrated

b)

saturated

c)

unsaturated

d)

diluted

31.

What kind of mixture is shown in the picture?

a)

Homogeneous

b)

Heterogeneous

32.

What kind of mixture is shown in the picture?

a)

Homogeneous

b)

Heterogeneous

33.
Which cube(s) has the most surface area?
a)
left cube
b)
middle cubes
c)
right cubes
34.

What are the 3 factors that affect rate of dissolution (how fast things dissolve)?

a)

temperature, wind, surface area

b)

temperature, agitation, surface area

c)

emotions, attitude, language

d)

temperature, sound, surface area

35.

What is the definition of temperature?

a)

The measure of hotness or coldness

b)

A homogeneous mixture

c)

stirring

d)

the area of the chemical components used in a reaction

36.

What is the definition of agitation?

a)

The measure of hotness or coldness

b)

A homogeneous mixture

c)

stirring, shaking, mixing

d)

the area of the chemical components used in a reaction

37.

What is the definition of surface area?

a)

The measure of hotness or coldness

b)

A homogeneous mixture

c)

stirring, shaking, mixing

d)

the area of the chemical components used in a reaction

38.

How does temperature affect rate of dissolution?

a)

high (hot) temperature dissolves slowly

b)

high (hot) temperature dissolves faster

c)

low (cold) temperature dissolves faster

39.

How does agitation affect rate of dissolution?

a)

It does not affect it

b)

agitation increases the rate of dissolution (dissolves faster)

c)

agitation decreases the rate of dissolution (dissolves slower)

40.

How does surface area affect rate of dissolution?

a)

It does NOT affect rate of dissolution

b)

higher surface area (more little pieces) dissolves faster

c)

lower surface area (more big pieces) dissolves faster

41.

Observe the four graduated cylinders containing a solution. Which solution is the most dilute?

A
B
C
D
42.

Some water is added to an empty glass. A sugar cube is then dropped in and dissolved. The water is the (a)   and the sugar is the ​ (b)   .

Choose from the below words
solvent
solute
solution
acid
base
43.

Give an example of a homogeneous mixture.

a)

Oil and water

b)

Sand and water

c)

Salty water

d)

Iron filings and sulfur

44.
Sugar water
a)
Heterogeneous
b)
Homogeneous
45.
Vinegar
a)
Heterogeneous
b)
Homogeneous
46.
Soup
a)
Heterogeneous
b)
Homogeneous
47.
The universal solvent is ______. 
a)
sodium 
b)
acid 
c)
water 
d)
wind 
48.
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
49.

Concentration is

a)

the amount of solute in the solvent

b)

the amount of solvent in the solute

c)

density

d)

particle size

50.

The amount of area covered by the surface (outside) of an object.

a)

Rate of Dissolution

b)

Surface Area

c)

Concentration

d)

Agitiation

51.

Joe set up an experiment to determine if the temperature of the solvent has an affect on the rate of dissolution. Identify the trial that will dissolve the quickest.

A
B
C
D
52.
Look at the diagram. In this diagram, the blue area represents
a)
the solute
b)
the solvent
c)
the solution
53.
Look at the diagram. In this diagram, the red dots represent
a)
the solute
b)
the solvent
c)
the solution
54.

Investigate how increasing the surface area of a solid solute affects its rate of dissolution in water.

a)

It decreases the rate of dissolution.

b)

It has no effect on the rate of dissolution.

c)

It increases the rate of dissolution.

d)

It stops the dissolution process.

55.
Which of the following statements is true about how using smaller salt crystals would affect the rate of making a salt solution in water?
a)
Smaller crystals increase the surface area and slow down dissolving.
b)
Smaller crystals decrease the surface area and speed up dissolving.
c)
Smaller crystals increase the surface area and speed up dissolving.
d)
Smaller crystals decrease the surface area and slow down dissolving.

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