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Acids & Bases Review

Total questions: 20

Worksheet time: 18mins

Name
Class
Date
1.
What is the pH of a 1 x 10-8 M solution of HNO3?
a)
8
b)
6
c)
7
d)
7.5
2.
What is the pOH of a solution where the [OH-] is 7.3 x 10-2 M?
a)
-1.14
b)
2.0
c)
1.14
d)
7.3
3.

The lower the pH, the greater the concentration of :

a)

OH-

b)

H+

4.
The pH of a solution is tested, and it is found to be a basic solution. Of the following choices, what could the pH have been?
a)
3
b)
9
c)
7
d)
5
5.
When dissolved in water, acids produce:
a)
bases
b)
salts
c)
hydrogen ions
d)
hydroxide ions
6.
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
7.
On the pH scale what numbers are neutrals?
a)
8-14
b)
0-7
c)
7
d)
1
8.
In a neutralization reaction, what are the products of a reaction between an acid and a base?
a)
Another acid and base
b)
Carbon dioxide and a salt
c)
Water and a salt
d)
Either two acids or two bases
9.

What are the products of the following reaction?

H2SO4 + KOH -->

a)

HK + HSO4

b)

H2O + KSO4

c)

H2O + K2SO4

d)

H2 + K2SO4

10.
Identify the salt in the following equation:
Zn(OH)2 + HNO3   ---> H2O  + Zn(NO3)2
a)
Zn(OH)2
b)
HNO3
c)
H2O
d)
Zn(NO3)2
11.
What does pH measure?
a)
Amount of Oxygen Ions
b)
Amount of Hydrogen Ions
c)
The amount of salt in a solution
d)
The density
12.
KOH
a)
acid
b)
base
c)
neutral
13.

If phenolphthalein turns bright pink, it indicates

a)

an acid

b)

a base

c)

a neutral

14.
Which is the stronger acid?
a)
pH 1
b)
pH 4
c)
pH 8
d)
pH 13
15.

What is the endpoint of a titration

a)

Where the indicator changes color

b)

Where there is no base

c)

When the all of the base is added

d)

When there is no acid

16.

a solution that resists changes in pH when acid or base is added to it

a)

Buffer

b)

Neutral

c)

pH paper

d)

Water

17.

A method for determining the concentration of an unknown by reacting a solution of known concentration.

a)

Endpoint

b)

Buffer

c)

Titration

d)

Combustion

18.

What type of reaction is this?


H2SO4 + NaOH → Na2SO4 + H2O

a)

Neutralization

b)

Synthesis

c)

Single Replacement

d)

Combustion

19.

Ba+2 and SO4-2 will combine to make which salt?

a)

BaH2

b)

BaSO4

c)

BaH2S

d)

BaO4

20.

The point when the moles of H+ ions from the acid equals the moles of OH- ions from the base.

a)

Equivalence Point

b)

Endpoint

c)

Acidic Point

d)

Conjugate Point

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