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WorksheetsChem B Unit 5 Test Review
Total questions: 27
Worksheet time: 57mins
Name
Class
Date
1.
The name of Ba(OH)2 is:
a)
Barionic acid
b)
Baroihydroxic acid
c)
Barium hydroxide
d)
Boron soup
2.
In the reaction below, H2SO3 is a(n):
H2SO3 + H2O --> H3O+ + HSO3-
H2SO3 + H2O --> H3O+ + HSO3-
a)
base
b)
acid
c)
conjugate acid
d)
conjugate base
3.
An acid with a pH of 2 is how many times more acidic than an acid with a pH of 4?
a)
2 times
b)
10 times
c)
100 times
d)
1000 times
4.
The [H+] is orange juice is 0.00020 M. Find the pH of orange juice.
a)
1
b)
3.7
c)
10.3
d)
13
5.
What is [H+] in a solution with pOH = 3.3?
a)
10.7 M
b)
0.00050 M
c)
0.000025 M
d)
2.0 x 10-11 M
6.
The pOH of sea water is 5.9. What is its pH?
a)
0.0000000083
b)
0.0000013
c)
5.9
d)
8.1
7.
If the pH of a solution is 3, the OH- ion concentration would be
a)
1*10-3 M
b)
1*10-10 M
c)
1*10-11 M
d)
1*10-14 M
8.
A substance that produces OH- ions in water is called a(n)
a)
base
b)
acid
c)
cation
d)
anion
9.
A bronsted lowry base is described as
a)
donating an H+ ion
b)
accepting an H+ ion
c)
donating an OH- ion
d)
accepting an OH- ion
10.
The pH scale goes through what range?
a)
0-14
b)
1-14
c)
1-7
d)
7-14
11.
A bronsted lowry acid is described as
a)
donating an H+ ion
b)
accepting an H+ ion
c)
donating an OH- ion
d)
accepting an OH- ion
12.
What is the formula for phosphoric acid?
a)
H2PO3
b)
H3PO4
c)
HPO2
d)
HPO4
13.
Name this acid: H2CO3
a)
carbonic acid
b)
hydrocarbonic acid
c)
carbonous acid
d)
carbon hydroxide
14.
HI would have the name:
a)
Iodic acid
b)
Iodous acid
c)
Hydroiodic acid
d)
Hypoiodous acid
15.
In the reaction HCl + H2O --> H3O+ + Cl-, what is the conjugate acid?
a)
HCl
b)
H2O
c)
H3O+
d)
Cl-
16.
What is the technique used to find the concentration of an unknown solution?
a)
buffer
b)
titration
c)
acidification
d)
baseification
17.
What is the term for a solution that resists change to pH?
a)
buffer
b)
titration
c)
acidification
d)
baseification
18.
Tastes bitter, mostly medicine or cleaning product.
a)
Acids
b)
Bases
c)
Salts
d)
All
19.
Tastes sour, mostly food items.
a)
Acids
b)
Bases
c)
Salts
d)
All
20.
Which of the following is a base?
a)
orange juice
b)
water
c)
vinegar
d)
dishwashing detergent
21.
Which of the following is an acid?
a)
shampoo
b)
baking soda
c)
orange juice
d)
water
22.
Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?
a)
strongly acidic
b)
slightly acidic
c)
strongly basic
d)
slightly basic
23.
What indicator is commonly used in titrations?
a)
Phenolphthalein
b)
Bromothymol Blue
c)
Litmus
d)
Universal
24.
What is the name of the process where an equal strength acid and alkali cancel each other out?
a)
Cancelisation
b)
Neutralization
c)
Neutralology
d)
Waterification
25.
A substance that produces H+ ions in water is called a(n)
a)
base
b)
acid
c)
cation
d)
anion
26.
What is the endpoint of a titration
a)
Where the amount of acid and base are equal as shown by a colour change
b)
Where there is no base
c)
When the volume of base in the burette is used up
d)
When there is no acid
27.
If it takes 54 mL of 0.1 M NaOH to neutralize 125 mL of an HCl solution, what is the concentration of HCl?
a)
0.023 M HCl
b)
0.043 M HCl
c)
0.43 M HCl
d)
0.23 M HCl
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