5/31/23, 8:07 AM
Acids and Bases
NAME :
CLASS :
Acids and Bases
20 Questions
DATE :
1.
Ammonia has a pH of 12. Ammonia is________ _.
A
an element
B
a metal
C
an acid
D
a base
2.
Soap is a weak base. What is true about the taste of bases?
A
they taste sour
B
they taste bitter
C
they taste salty
D
they taste sweet
3.
Explain what happens when a strong acid and a strong base are poured into the same
container.
A
they react chemically to form a salt
B
they form separate layers
C
they break apart into separate elements
D
they mix physically but not chemically
4.
When dissolved in water, bases produce:
A
hydrogen ions
B
acids
C
hydroxide ions
D
salts
5.
Which of these solutions is an acid?
A
Baking Soda: pH of 9
B
Dish Soap: pH of 12
C
Drain Cleaner: pH of 14
D
Tomato Soup: pH of 4
6.
What does the pH scale measure?
A
the malleability of a metal
B
the concentration of acids and bases
C
the temperature of the water in a
swimming pool
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D
the amount of phosphorus in a
compound
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5/31/23, 8:07 AM
Acids and Bases
7.
Compounds form when_____________ _.
A
atoms of two or more elements bond
C
atoms of one element bond together
8.
The pH of vinegar is 2.5. Vinegar is a ___________ _.
A
strong base
B
weak base
C
weak acid
D
strong acid
9.
Which of the following is true about acids and bases?
A
The higher the pH, the weaker the base
B
The lower the pH, the stronger the acid
C
The lower the pH, the more neutral the
D
the higher the pH, the stronger the acid
10.
together
acid
B
molecules of one element are mixed
D
molecules of two or more elements are
together
mixed together
Which type of ion does a base produce when it is dissolved in water?
A
oxide
B
oxygen
C
hydrogen
D
hydroxide
11.
Which statement is true when acids and bases are mixed together?
A
there is no change
B
acids become stronger
C
bases become stronger
D
they neutralize each other
12.
Ranging from 0 to 14, a pH value indicates how acidic or basic a solution is. Which of
these pH values would be a strong acid?
A
9
B
6
C
13
D
2
13.
What is the pH of water?
A
4
B
0
C
14
D
7
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14.
Acids and Bases
Williams collected a rain sample and measured its pH to be 5.6. What does this mean?
A
the rain water is neutral
B
the rain water is a weak acid
C
the rain water is a weak base
D
the rain water is a strong acid
15.
What does a pH of 1 indicate about a liquid?
A
it is a weak base
B
it is a strong acid
C
it is a very strong base
D
it is a weak acid
16.
Litmus paper can tell you if a solution is acidic, neutral or basic by changing color when
placed in a solution. If you test a base with litmus paper, it will turn____________.
A
red
B
blue
C
pink
D
purple
17.
What is the pH of a neutral substance?
A
5
B
7
C
0
D
10
18.
Which of these pH values would indicate that a solution is a weak base?
A
4
B
8
C
13
D
5.6
19.
When dissolved in water, acids produce:
A
salts
B
hydrogen ions
C
hydroxide ions
D
bases
20.
Any substance that produces hydroxide ions in water is known as ___________ _.
A
a base
B
an acid
C
a neutral
D
a hydrogen ion
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