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WorksheetsAcids and Bases Review
Total questions: 35
Worksheet time: 21mins
Name
Class
Date
1.
Acids are what range on the pH scale?
a)
0-14
b)
0-6.99
c)
7
d)
7.1-14
2.
Bases are what range on the pH scale?
a)
0-6.99
b)
7
c)
7.1-14
d)
0-14
3.
7 on the pH scale means that it is...
a)
Acidic
b)
Basic
c)
Neutral
4.
Lemon juice is an example of __________
a)
A base
b)
An acid
c)
A neutral substance
5.
Soap is an example of __________
a)
A base
b)
An acid
c)
A neutral substance
6.
Water is an example of __________
a)
A base
b)
An acid
c)
A neutral substance
7.
When found in food, acids are ________
a)
Sour
b)
Bitter
c)
Salty
d)
Slippery
8.
When found in food, bases are _______.
a)
Sour
b)
Bitter
c)
Salty
d)
Soggy
9.
Drain cleaner has a pH of 13. What is drain cleaner?
a)
An acid.
b)
A strong base.
c)
Neutral.
d)
A weak base.
10.
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
11.
What are properties of a base?
a)
Slippery, bitter, does not react with metals, pH above 7.
b)
Slippery, bitter, reacts with metals, pH below 7.
c)
Sour, reacts with metals, pH below 7
d)
Sour, reacts with metals, pH above 7.
12.
What is the name of Mg(OH)2
a)
magnesium hydroxide acid
b)
hydromagnesium acid
c)
magnesium oxygen hydride
d)
magnesium hydroxide
13.
Predict the products for the following reaction:
LiOH + H2SO4 -->
LiOH + H2SO4 -->
a)
LiSO4 + HOH
b)
LiSO4 + H2(OH)
c)
Li2SO4 + HOH
d)
Li2SO4 + H2(OH)
14.
A neutralization reaction will always produce...
a)
water & salt
b)
water
c)
salt
d)
water & carbon
15.
If there is excess hydrogen ions, the solution will be...
a)
acidic
b)
basic
16.
If there is excess hydroxide ions, the solution will be...
a)
acidic
b)
basic
17.
Zn(OH)2 is an example of a...
a)
acid
b)
base
c)
salt
18.
H3PO4 is an example of a ...
a)
acid
b)
base
c)
salt
19.
Identify the salt in the following equation:
Zn(OH)2 + HNO3 ---> H2O + Zn(NO3)2
Zn(OH)2 + HNO3 ---> H2O + Zn(NO3)2
a)
Zn(OH)2
b)
HNO3
c)
H2O
d)
Zn(NO3)2
20.
NaCl is a ...
a)
acid
b)
base
c)
salt
d)
water
21.
If an acid has a pH of 1.4 will it be strong or weak?
a)
strong
b)
weak
22.
If an acid has a pH of 6.5 will it be strong or weak?
a)
strong
b)
weak
23.
An indicator will ______________ when it is in contact with an acid or base
a)
Bubble
b)
Form a new substance
c)
Change color
d)
Stay the same color
24.
The pH scale tells how acidic or basic a substance is. The scale goes from _____ to _______
a)
1-10
b)
0-14
c)
1-14
d)
1-100
25.
The pH of a weak acid would be:
a)
1-2
b)
5-6
c)
8-9
d)
12-13
26.
The pH of a weak base would be:
a)
1-2
b)
5-6
c)
8-9
d)
12-13
27.
The pH of a strong base would be:
a)
1-2
b)
5-6
c)
8-9
d)
13-14
28.
The pH of a strong acid would be:
a)
1-2
b)
5-6
c)
8-9
d)
12-13
29.
What is this piece of apparatus called
a)
Pipette
b)
Burette
c)
Janette
d)
Cuvette
30.
acid + base ₋>
a)
salt + hydrogen
b)
salt + water
c)
salt + carbon dioxide + water
d)
salt
31.
What is the endpoint of a titration
a)
Where the amount of acid and base are balanced according to the equation
b)
Where there is no base
c)
At the end
32.
I have 25mL of 1M HCl which neutralises 20mL of NaOH. What is the concentration of the NaOH?
a)
0.8 M
b)
1 M
c)
1.25 M
33.
If phenolphthalein turns bright pink, it indicates
a)
an acid
b)
a base
c)
a neutral
34.
I am titrating 1M HCl with 1M NaOH. I have 25mL of HCl. How much NaOH will I need?
a)
2.5mL
b)
5mL
c)
25mL
d)
50mL
35.
What is the pH of a solution that has a [H+] concentration of 1x10-4 ?
a)
10
b)
4
c)
.0001
d)
7
e)
[10-4]
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