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Chapter 21 Retest

Total questions: 18

Worksheet time: 56mins

Name
Class
Date
1.

All of the following are heterogeneous mixtures except

a)

whole wheat bread.

b)

granite.

c)

tap water.

d)

an oil-water mixture.an oil-water mixture.

2.

What type of solute-solvent combination is carbon dioxide in water?

a)

gas-liquid

b)

liquid-gas

c)

liquid-liquid

d)

cannot be determined

3.

It is the medium in which matter is dissolved.

a)

Solubility

b)

Solution

c)

Solvent

d)

Solute

4.
When no more sugar will dissolve in a glass of water, the solution is...
a)
unsaturated
b)
saturated
c)
supersaturated
5.

Which of the following types of solutions has more room to dissolve solute?

a)

supersaturated

b)

saturated

c)

unsaturated

6.

A dilution is when

a)

solute is added to the volume of solution

b)

water is added to the volume of solution

c)

solute is removed from the volume of solution

d)

water is removed from the volume of solution

7.
What does it mean to dilute a solution?
a)
lower the concentration of solute per solvent
b)
increase the concentration of solute per solvent
8.
salt water is a 
a)
compound
b)
element
c)
heterogeneous mixture
d)
solution
9.
Kool-Aid - Powder, sugar, and water
Identify the solvent 
a)
water
b)
powder
c)
sugar
d)
powder and sugar
10.
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
11.

When you have added as much solute as can dissolve in the solvent, the solution is called:

a)

concentrated

b)

supersaturated

c)

saturated

d)

unsaturated

12.
What is the universal solvent?
a)
salt
b)
sugar
c)
water
d)
ice
13.
The ___ is the thing being dissolved.
a)
solute
b)
solvent
c)
mixture
d)
suspension
14.

Which term describes a solution in which there is less than the maximum amount of solute dissolved for the given temperature?

a)

Unsaturated

b)

Saturated

c)

Concentrated

d)

Supersaturated

15.

A mixture created when a solute dissolves in a solvent

a)

Solution

b)

Solute

c)

Solvent

d)

Soluble

16.

When something is unable to be dissolved.

a)

Solute

b)

Insoluble

c)

Soluble

d)

Solvent

17.

Which of the following is an example of a solution?

a)

oil and water

b)

sand and water

c)

salt and water

d)

salt and pepper

18.

Identify the solute: Chocolate syrup dissolved in milk

a)

Chocolate syrup

b)

Milk