WorksheetsQuizizz First Time--8th Grade Q4--Acids, Bases, and pH Scale
Total questions: 28
Worksheet time: 7hrs 0mins
Name
Class
Date
1.
pH stands for:
a)
Potency of hydrogen
b)
Plurality of hydrogen
c)
Potential of hydrogen
d)
Pleurisy of hydrogen
2.
Pure water is _______ on the pH scale.
a)
Acid
b)
Base
c)
Neutral
3.
What is the range of pH values in an acidic solution?
a)
0-6
b)
8-14
c)
15-239058204958
d)
pH = 7
4.
If the pH of a solution is 9, it is a....
a)
acid
b)
base
c)
both
d)
none
5.
Litmus paper can be used to determine the _______ of a substance.
a)
relative volume
b)
temperature
c)
relative pH
d)
chemical formula
6.
What is the range of pH values in an alkali (basic) solution?
a)
0-6
b)
8-14
c)
15-239058204958
d)
pH = 7
7.
Which is the stronger acid?
a)
pH 1
b)
pH 4
c)
pH 8
d)
pH 13
8.
Which of the following substances is basic?
a)
Apple juice
b)
Ginger ale
c)
Baking soda
d)
Distilled water
9.
How do acidic solutions taste?
a)
Delicious
b)
Sweet
c)
Bitter
d)
Sour
10.
What is a property of bases?
a)
Slippery touch
b)
Sour taste
c)
Ability to dissolve metal
d)
Ability to form hydronium ions
11.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
12.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
13.
Lemon juice is an example of __________
a)
A base
b)
An acid
c)
A neutral substance
14.
What color does acid turn litmus paper?
a)
It turns litmus paper purple.
b)
It turns red litmus paper blue.
c)
It turns blue litmus paper blue.
d)
It turns blue litmus paper red.
15.
What color does bases turn litmus paper?
a)
It turns litmus paper purple.
b)
It turns blue litmus paper red.
c)
It turns red litmus paper blue.
d)
It turns red litmus paper re
16.
What does corrosive mean?
a)
That a substance is a strong base.
b)
That a substance is neutral.
c)
That a substance can easily wear away
d)
The substance is the strongest acid
17.
What are properties of acids?
a)
Bitter, slippery, ph above 7
b)
Sour, reacts with metals, ph below 7
c)
Sour, reacts with metals, ph above 7
d)
Bitter, ph of 7, does not react with metals
18.
Explain what happens when a strong acid and a strong base are poured into the same container.
a)
they form separate layers
b)
they mix physically but not chemically
c)
they break apart into separate elements
d)
they react chemically to form a salt
19.
Which statement is true when acids and bases are mixed together?
a)
acids become stronger
b)
bases become stronger
c)
there is no change
d)
they neutralize each other
20.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-14
d)
1-20
21.
"bitter taste" and "slippery feel" are characteristics of...
a)
Acids
b)
Bases
c)
Salts
d)
All
22.
What is the only substance with a neutral pH of 7?
a)
Milk
b)
Orange Juice
c)
Water
d)
Blood
23.
A solution with a pH of 3.6 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
24.
A solution with a pH of 8.6 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
25.
Tastes Sour
a)
Acids
b)
Bases
c)
Salts
d)
All
26.
Tastes bitter.
a)
Acids
b)
Bases
c)
Salts
d)
All
27.
According to the pH range which substance is more acidic than lemon juice
a)
Hydrochloric acid
b)
cabbage
c)
milk
28.
A substance with a pH of 2 would be considered...
a)
acidic
b)
alkaline
c)
neutral
100 %
