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Acids and Bases
A solution with a pH of 0-6.9 is:
A solution with a pH of 2 is a
Acids and Bases
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Answers
1
A solution with a pH of 2 is a
weak base
strong acid
weak acid
strong base
2
A solution with a pH of 0-6.9 is:
neutral
an acid
a base
3
We just put phenolphthalein into this solution, it must be a(n):
acid
neither
base
4
Pure water is
a base
acidic
neutral
5
A solution with a pH of 12 is
a strong base
a weak base
6
pH is a way to measure strength of acids and bases...pH stands for
Positive Hydrogens
power of Hydrogen
potential of lemon juice
7
A solution with a pH of 8 is
a base
neutral
an acid
8
If a solution with a pH of 5 has 100 H
+
ions, a solution with a pH of 3 has:
102 H+ ions
98 H+ ions
10,000 H+ ions
1,000 H+ ions
9
Bases contain
hydronium ions (H3O+)
hydrogen ions (H+)
Hydroxide ions (OH-)
10
If 20 mL of 1 M NaOH is mixed with 20 mL of 2 M HCl, the resulting solution will be:
neutral
basic
acidic
11
Litmus paper for acids will always be
Yellow
Red
Blue
12
Lemon juice is
a base
neutral
acidic
13
The following picture shows a:
neutral solution
base
strong acid
weak acid
14
opposite charges (negative and positive) will always
attract
repel
15
If you have acid reflux you should
drink a soda
eat an orange
take an antacid
16
The following picture shows a:
strong acid
neutral solution
base
weak acid
17
A solution with a pH of 3 is a(n)
base
acid
18
Acids contain
NaCl molecules
Hydrogen ions(H+)
Hydroxide ions (OH-)
Lemon seeds
19
A solution with a pH of 6.5 is a/n
base
acid
neutral
20
If 50 mL of 2 M NaOH is mixed with 30 mL of 1 M HCl, the resulting solution will be:
basic
acidic
neutral
21
Most cleaning products are
neutral
acids
bases
22
If a solution with a pH of 5 has 100 H
+
ions, a solution with a pH of 6 has:
1000 H+ ions
99 H+ ions
1,000,000 H+ ions
10 H+ ions
23
On a scale of 1-3, how are you feeling about your knowledge of acids and bases?
2 - I need to study this weekend and I will do well
5
1 - I'm going to crush the questions
3 - I will come in for extra help for some clarification
24
As more CO
2
is dissolved into a solution, the pH of the solution will:
stay the same
go up
go down
do whatever it wants
25
Litmus paper for bases will always be
Red
Blue
Yellow