NEW
Font size
S
M
L
XL
WorksheetsAcids & Bases
Total questions: 50
Worksheet time: 2hrs 35mins
Name
Class
Date
1.
What is the name of bromic acid?
a)
HBr
b)
HBrO2
c)
HBrO3
d)
H3BrO3
2.
What is the formula for hydrochloric acid?
a)
HCl
b)
HClO
c)
H3ClO3
d)
HClO3
3.
IF the [H3O+] = 0.000000001, what is the pOH?
a)
9
b)
5
c)
4
d)
7
4.
Phenolphthalein turns red in
a)
acids.
b)
bases.
c)
salts.
d)
water.
5.
If you wanted to collect some hydrogen gas, it would make sense to react an acid with
a)
a base
b)
a carbonate
c)
a salt
d)
an active metal
6.
An Arrhenius base is one defined as any substance which
a)
creates hydronium ions.
b)
creates water
c)
creates hydroxide ions
d)
dissociates completely
7.
What is the pOH of a solution that has a pH of 2?
a)
10
b)
12
c)
14
d)
1
8.
According to the pH range which substance is more acidic than lemon juice
a)
Hydrochloric acid
b)
cabbage
c)
milk
9.
Acids turn blue litmus paper ( ).
a)
red
b)
blue
c)
yellow
d)
green
10.
Bases turn red litmus paper ( ).
a)
red
b)
blue
c)
yellow
d)
green
11.
This image represents
a)
Neutralization reaction
b)
synthesis
c)
decompostion
d)
single displacement
12.
A hydrogen ion, H+, is the same as a(n):
a)
neutron
b)
electron
c)
proton
d)
hydroxide ion
13.
OH- is called the:
a)
hydrate ion
b)
hydrogen ion
c)
hydronium ion
d)
hydroxide ion
14.
What is the approximate pH of seawater?
a)
2
b)
5
c)
7
d)
9
15.
Forms hydroxide ions (OH-) in water
a)
Acids
b)
Bases
c)
All
16.
A ( ) is a substance that either contains hydroxide ions (OH-) or reacts with water to form hydroxide ions.
a)
acid
b)
base
c)
hydronium ion
d)
water
17.
_________________can resist the change of pH when you add acids or bases.
a)
strong acids
b)
water
c)
strong bases
d)
buffers
18.
This is one way to show a neutral substance:
a)
[H+]=[OH-]
b)
[H+]~~[OH-]
c)
[H+]<[OH-]
d)
[H+]>[OH-]
19.
HBr
a)
hydrogen bromine acid
b)
hydrobromide acid
c)
hydrobromic acid
20.
What is the pOH of a 0.027 M KOH solution?
a)
12.92
b)
1.57
c)
14.11
d)
6.47
21.
What is the hydronium concentration of a solution whose pH is 7.30?
a)
7.1 x 10-6 M
b)
1.4 x 10-11 M
c)
3.8 x 10-8 M
d)
5.0 x 10-8 M
22.
What characterizes a strong acid or base?
a)
ionic bonding
b)
presence of a hydroxide or hydrogen ion
c)
complete ionization in water
d)
polar covalent bonding
23.
The name of a binary acid
a)
begins with the prefix hydro-
b)
begins with the prefix bi-
c)
has no prefix
d)
ends with the suffix -ous
24.
Which of the following liquids is basic?
a)
lemons
b)
drain cleaner
c)
vinegar
d)
tomato juice
25.
What is the pH of a solution whose hydronium ion concentration is 5.03 x 10-1 M?
a)
0.5133
b)
1.542
c)
0.2984
d)
5.031
26.
Acids react with
a)
water to produce bases and salts
b)
salts to produce bases and water
c)
neither bases, salts nor water
d)
bases to produce salts and water
27.
Which of the following liquids is acidic?
a)
milk of magnesis
b)
seawater
c)
ammonia
d)
orange juice
28.
Acid generally release H2 gas when they react with
a)
semimetals
b)
inactive metals
c)
active metals
d)
nonmetals
29.
What is the hydronium ion concentration of a solution whose pH is 4.12?
a)
7.6 x 10-5 M
b)
5.1 x 10-6 M
c)
6.4 x 10-5 M
d)
4.4 x 10-8 M
30.
What is the pH of a 10-4 M HCl solution?
a)
6
b)
8
c)
10
d)
4
31.
The pH scale in general use ranges from
a)
0 to 7
b)
-1 to 1
c)
0 to 14
d)
0 to 1
32.
The pH of a solution is 9.0. What is its H3O+ concentration?
a)
1 x 10-9 M
b)
1 x 10-7 M
c)
9 M
d)
1 x 10-5 M
33.
Which of the following is a binary acid?
a)
CH3COOH
b)
HBr
c)
H2SO4
d)
NaOH
34.
Which expression represents the pH of a solution?
a)
log[OH-]
b)
log[H3O+]
c)
-log[OH-]
d)
-log[H3O+]
35.
What is the pOH of a 10-5 M KOH solution?
a)
3
b)
5
c)
11
d)
9
36.
What is the OH- concentration of a solutions whose pOH is 12.40?
a)
1.0 x 10-1 M
b)
8.9 x 10-2 M
c)
4.4 x 10-2 M
d)
3.98 x 10-13 M
37.
The pH of an acidic solution is
a)
less than 0
b)
less than 7
c)
greater than 7
d)
greather than 14
38.
If [H3O+]=1.7 x 10-3 M, what is the pH of the solution?
a)
2.13
b)
1.81
c)
2.77
d)
2.42
39.
A neutralization reaction will always produce...
a)
water & salt
b)
water
c)
salt
d)
water & carbon
40.
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
41.
The name of Ba(OH)2 is:
a)
Barionic acid
b)
Baroihydroxic acid
c)
Barium hydroxide
d)
Boron soup
42.
The formula for chlorous acid is:
a)
HCl
b)
HClO4
c)
HClO3
d)
HClO2
43.
Select the formula for the following acid: nitrous acid
a)
HNO2
b)
HNO3
c)
H3N
44.
Potassium hydroxide
a)
KOH
b)
K2OH
c)
k(OH)2
45.
Ca(OH)2
a)
calcium hydroxide
b)
calcium oxygen hydrogen
c)
calcium oxide
46.
the H in pH stands for
a)
hood
b)
happy
c)
hydrogen
d)
help
47.
if you add an acid to a base what will happen?
a)
BOOM
b)
it will neutralize
c)
it wont mix
48.
Bromophenol blue changes from yellow to blue over pH of 3.0 to 4.6. Which statement is correct?
a)
Molecules of bromophenol blue, HIn, are blue.
b)
pH < 3.0, bromophenol blue contain more ion, In–, than HIn.
c)
pKa of bromophenol blue is between 3.0 and 4.6.
d)
Bromophenol blue is suitable to titrate CH3COOH with KOH.
49.
Creates a colorless solution with phenolphthalein
a)
acid
b)
base
c)
neither
d)
both
50.
What are the products when hydrobromic acid is mixed with sodium hydroxide
a)
H2O and NaBr
b)
HBr and NaOH
c)
OBr and NaH
d)
Na and BrOH
Reset
