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Chapter 13 - Mixtures, Solubility, Acids/Bases, and Solution

Total questions: 38

Worksheet time: 36mins

Name
Class
Date
1.
Which of these substances is acidic?
a)
tap water
b)
lemon
c)
ammonia
d)
baking soda
2.
What might happen if you mixed a strong acid with an equally strong base?
a)
You would see an explosive chemical reaction.
b)
The acid would destroy the base.
c)
The base would destroy the acid.
d)
You'd wind up with a pH-neutral substance.
3.
An extremely strong base would have a pH of:
a)
1
b)
7
c)
9
d)
14
4.

What is a change in which a new substance is NOT formed?

a)

physical change

b)

chemical change

c)

color change

d)

physical property

5.

What is a combination of 2 or more substances that keep their identities?

a)

physical property

b)

mixture

c)

physical change

d)

chemical change

6.

What is a mixture in which all the parts are EVENLY mixed?

a)

energy

b)

beaker

c)

solution

d)

salad

7.

Which of the following is a solution?

a)

lemonade

b)

trail mix

c)

legos

d)

iron filings and sand

8.

A handful of soil is an example of a _________________?

a)

mixture

b)

solution

c)

energy

d)

a science tool

9.
A single part of a mixture or solution.
a)
substance
b)
mixture
c)
physical change
d)
solution
10.
A combination of two or more substances where each keeps its own properties and both can be easily separated.
a)
mixture
b)
solution
c)
substance
d)
physical change
11.
A particular type of mixture where a substance dissolves in another; the molecules spread evenly through the other substance, such as in salt added to water.
a)
solution
b)
mixture
c)
physical change
d)
boiling point
12.

Type of mixture that has the SAME COMPOSITION in every part.

a)

Homogenous

b)

Heterogeneous

13.

Type of mixture that DOESN'T HAVE the same composition in every part.

a)

Homogeneous

b)

Heterogeneous

14.
Water can dissolve many things so it is called the .....
a)
wonderful water
b)
cohesion
c)
liquid
d)
universal solvent
15.
What will allow more solute to be dissolved in a solvent.
a)
adding more solute
b)
stiring
c)
cooling solution
d)
heat
16.
Rey is making soup. He will dissolve cubes of instant soup mix in hot water.
How can Rey make the soup cubes dissolve more quickly in the water? 
a)
use less water
b)
use more water
c)
add ice cubes to cool the water
d)
break the soup cubes into smaller pieces
17.
Kool-Aid - Powder, sugar, and water
Identify the solvent 
a)
water
b)
powder
c)
sugar
d)
powder and sugar
18.
Lemonade - Water, lemon juice, and sugar
Identify the solute
a)
water
b)
lemon juice
c)
sugar and lemon juice 
19.
What is a substance that is dissolved in another substance? 
a)
solution
b)
solute
c)
solvent
d)
compound
20.

Freshly brewed black coffee

a)

Heterogeneous

b)

Homogeneous

21.

Lucky Charms

a)

Heterogeneous

b)

Homogeneous

22.

Dirt

a)

Heterogeneous

b)

Homogeneous

23.

Milk

a)

Heterogeneous

b)

Homogeneous

24.

Air

a)

Heterogeneous

b)

Homogeneous

25.

Chicken noodle soup

a)

Heterogeneous

b)

Homogeneous

26.

Coca-Cola

a)

Heterogeneous

b)

Homogeneous

27.

Concentration is

a)

the amount of solute in the solvent

b)

the amount of solvent in the solute

c)

density

d)

particle size

28.

In order to dilute a solution, you need to

a)

add more of the solid

b)

add more water

c)

find the mass

d)

find the volume

29.

The EASIEST way to determine which Koolaid solution is the most concentrated is to...

a)

compare their mass

b)

compare their color

c)

evaporate each solution

30.

The parts of a solution are the

a)

salt and vapor.

b)

solvent and solid.

c)

solute and water.

d)

solvent and solute.

31.

A substance that is 3 on the pH scale would be a(n):

a)

acid

b)

base

c)

neutral

d)

solute

32.
Which one of the following is an example of a base?
a)
orange juice
b)
dish soap
c)
vinegar
d)
lemons
33.
A substance that changes color when mixed with an acid or base is a(n) ___.
a)
indicator
b)
neutralizer
c)
corrosive
d)
electricity
34.
Since some acids seemingly "eat away" certain substances, acids are ____.
a)
bitter
b)
sliipery
c)
corrosive
d)
weak
35.
What color does litmus paper turn in the presence of an acid?
a)
blue
b)
black
c)
green
d)
red
36.
Bases are located where on the pH scale?
a)
any number can be a base
b)
below 7
c)
above 7
d)
number 7 is a base
37.
Which of the following is NOT a characteristic of an acid?
a)
sour taste
b)
corrosive
c)
it feels slippery
d)
it can burn the skin
38.

According to the pH scale, which item is more acidic than lemons?

a)

battery

b)

vinegar

c)

milk

d)

blood

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