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BM 5.5 Test Review

Total questions: 62

Worksheet time: 52mins

Name
Class
Date
1.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-5
d)
1-20
2.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
3.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
4.
What is the only substance with a neutral pH of 7?
a)
Milk
b)
Orange Juice
c)
Water
d)
Blood
5.

What does pH measure?

a)

the amount of hydrogen (H+) ions

b)

the amount of hydroxide (OH-) ions

c)

amount of water

d)

all of the above

6.

Which of the following is the strongest acid?

a)

1

b)

5

c)

3

d)

8

7.

Which of the following is the strongest base?

a)

4

b)

14

c)

7

d)

15

8.

Which of the following is a characteristic of a base?

a)

bitter

b)

sour

c)

corrosive

d)

releases hydrogen ions in water

9.

Which of the following is a characteristic of an acid?

a)

bitter

b)

slippery

c)

sour

d)

releases hydroxide ions in water

10.
A solution with a pH of 7.0 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
11.

A chemical has a pH = 6. It would be best described as

a)

Strong acid

b)

Strong base

c)

Weak acid

d)

Weak base

12.

A chemical has a pH = 2. It would be best described as

a)

Strong acid

b)

Strong base

c)

Weak acid

d)

Weak base

13.

A chemical has a pH = 13. It would be best described as

a)

Strong acid

b)

Strong base

c)

Weak acid

d)

Weak base

14.

A chemical has a pH = 8. It would be best described as

a)

Strong acid

b)

Strong base

c)

Weak acid

d)

Weak base

15.
What cannot be broken down into other substances?
a)
Compound
b)
Mixture
c)
Solids
d)
Element
16.
What is made up two or more elements that are chemically combined?
a)
Element
b)
Mixture
c)
Compound
d)
Solids
17.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
18.
Is water an element or a compound?
a)
Element
b)
Compound
19.
A mixture that appears to be evenly mixed throughout:
a)
an atom
b)
a compound
c)
a homogeneous mixture
d)
a heterogeneous mixture
20.
A pure substance...
a)
is an element or a compound
b)
is an element or a mixture
c)
is a compound or a mixture
d)
is a mixture
21.
Contains only one kind of atom.
a)
Element
b)
Compund
c)
Mixture
22.
Contains two or more atoms combined
a)
Elements
b)
Compounds
c)
Mixtures
23.
The air is a _________. 
a)
element 
b)
mixture 
c)
compound 
d)
energy 
24.
What is H2SO4 
 made up of?
a)
2 hydrogen, 1 sulfur, 4 oxygen
b)
1 hydrogen, 2 sulfur, 4 oxygen
c)
2 hydrogen & 4 sodium
d)
1 hydrogen & 6 sodium
25.
What is salad?
a)
element
b)
compound
c)
mixture
26.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
27.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements and Compounds
d)
Mixture of Elements
28.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
29.
Salt has a chemical formula of NaCl.  Salt is a...
a)
Compound
b)
Element
c)
Mixture
d)
None of the Above
30.
A combination of substances that are not chemically combined is called a(n)____________. 
a)
mixture
b)
compound
c)
physical
31.
Lemon juice is an example of  __________
a)
A base
b)
An acid
c)
A neutral substance
32.
Soap is an example of  __________
a)
A base
b)
An acid
c)
A neutral substance
33.
Water is an example of  __________
a)
A base
b)
An acid
c)
A neutral substance
34.
What color does litmus paper turn in the presence of an acid?
a)
blue
b)
black
c)
green
d)
red
35.
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
36.

True or false: bases are sometimes called alkaline.

a)

True

b)

False

37.
The esophagus is the tube that connects the mouth to the stomach. Heartburn occurs when some of the stomach juices flow backwards up the esophagus. To help relieve heartburn, a person should take medicine that is
a)
neutral
b)
basic
c)

acidic or basic.
d)
acidic
38.
If an acid is combined with a base of equal strength, the result will most likely be
a)
a neutral solution.
b)
a stronger acid.
c)
impossible to tell without testing the pH.
d)
a stronger base
39.
Litmus paper can be used to determine the _______ of a substance.
a)
relative volume
b)
temperature
c)
relative pH
d)
chemical formula
40.
When using pH paper, the pH of a solution can be determined by looking at the _______ of the paper.
a)
texture
b)
color
c)
length
d)
mass
41.

The color of litmus in acid:

a)

Red

b)

Blue

c)

Purple

d)

Green

42.

The color of litmus in alkali:

a)

Red

b)

Blue

c)

Purple

d)

Green

43.
Another name for a homogeneous mixture is 
a)
an element.
b)
a solution.
c)
a compound.
44.
Kool-Aid - Powder, sugar, and water
Identify the solvent 
a)
water
b)
powder
c)
sugar
d)
powder and sugar
45.
When a certain amount of solvent cannot hold any more solute it is called a ________ solution.
a)
Diluted
b)
Saturated
46.
A solution is a kind of ________. 
a)
mixture 
b)
compound 
c)
element 
d)
stuff 
47.
A solution is a ________ mixture. 
a)
heterogeneous 
b)
homogeneous 
c)
dumb 
d)
mixed 
48.
The universal solvent is ______. 
a)
sodium 
b)
acid 
c)
water 
d)
wind 
49.
Which is an example of a solvent?
a)
Salt
b)
Egg whites
c)
Water
d)
Sugar
50.
If I dissolve sugar in water, what is the solute?
a)
Water
b)
Hydrogen
c)
Sugar
d)
Carbon
51.

If I dissolve carbon dioxide in water, what is the solvent?

a)

Carbon Dioxide

b)

There is no solvent

c)

Oxygen

d)

Water

52.

If I dissolve salt in water, what is the solvent?

a)

salt

b)

water

c)

salt & water

d)

none of the above

53.
Solution where more solute can still be dissolved at the given temperature. 
a)
Saturated
b)
Unsaturated
c)
Mixture
d)
Homogeneous solution
54.
__________ are made up of solutes and solvents.
a)
Solutions
b)
Suspensions
c)
Heterogeneous Mixtures
d)
Pure Substances
55.
When a solvent contains as much of the solute as it can hold, the solution is said to be
a)
supersaturated
b)
diluted
c)
saturated
d)
unsaturated
56.
You can make a solution more concentrated by adding __________.
a)
solute
b)
solvent
c)
water
57.
What is able to dissolve other substances?
a)
Solute
b)
Salt
c)
Suspension
d)
Solvent
58.
amount of solute that can dissolve in a given amount of solvent at a given temperature
a)
saturated solution
b)
solubility
c)
pure substance
d)
colloid
59.
Describe a solute.
a)
part of solution present in largest amount
b)
the substance that gets dissolved
c)
the substance that does the dissolving
d)
surrounds and breaks apart
60.

What is a solvent?

a)

The substance in greater quantity - it does the dissolving in a solution.

b)

The substance in smaller quantity - it is the substance being dissolved in a solution.

c)

The mixing of different substances.

d)

The process in which neutral molecules lose or gain electrons

61.

What is a solute?

a)

The substance in the greatest quantity - it does the dissolving in a solution.

b)

The substance in smaller quantity - it is dissolved into the solution.

c)

The mixing of different substances.

d)

The process in which neutral molecules lose or gain electrons

62.
What is an ion?
a)
A Charged Atom
b)
A Large Atom
c)
A Small Atom
d)
A Cute Atom

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