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Unit 15 and 16 review

Total questions: 51

Worksheet time: 1hrs 16mins

Name
Class
Date
1.
State whether the following compound is soluble or insoluble.  calcium carbonate CaCO3 
a)
soluble
b)
insoluble
2.
State whether the following compound is soluble or insoluble. potassiun bromide KBr
a)
Soluble
b)
Insoluble
3.
State whether the following compound is soluble or insoluble. Zinc hydroxide Zn(OH)2
a)
Soluble 
b)
Insoluble
4.
State whether the following compound is soluble or insoluble. iron(ii) sulfide FeS
a)
soluble
b)
insoluble
5.
State whether the following compound is soluble or insoluble.Potassium hydroxide KOH
a)
Soluble 
b)
Insoluble
6.
State whether the following compound is soluble or insoluble.Lead iodide PbI2
a)
Soluble
b)
Insoluble
7.
In this equation,
CuCl2 + NaOH  → Cu(OH)2 + NaCl
Which product is insoluble?
a)
copper(II) hydroxide
b)
sodium chloride
c)
sodium hydroxide
d)
copper(II) chloride
8.
What are the spectator ions in this reaction?
CuCl2(aq) + NaOH(aq) → Cu(OH)2(s) + NaCl(aq)
 
a)
Cu2+ and OH1-
b)
Na2+ and Cl2-
c)
Na1+ and Cl1-
d)
Na1+ and OH1-
9.

Which is the correct net ionic equation for the reaction of:

AgNO3 (aq) + CaCl2 (aq) -> AgCl (s) + Ca(NO3)2 (aq)

a)
Ca2+(aq) +  2Cl- (aq) → CaCl(s)
b)
Ag+(aq)  +  Cl- (aq) → AgCl(s)
c)
Ag +  Cl  →  AgCl
d)
Ag+  +  Ca2+   →Ag2Ca (s)
10.

What is the net ionic equation for the reaction between K3PO4 (aq) and CuSO4 (aq) that produces K2SO4 (aq) and Cu3(PO4)2 (s)?

a)

2 K+(aq) + SO42-(aq) → K2SO4 (s)

b)

K+(aq) + SO42-(aq) → KSO4 (s)

c)

2 Cu2+(aq) + 3 PO43-(aq) → Cu3(PO4)2 (s)

d)

Cu2+(aq) + PO43-(aq) → CuPO4 (s)

11.
Which is the name of the kind of solid substance formed in this figure?  
a)
aqueous 
b)
precipitate
c)
acid
d)
synthesis 
12.

What are the spectator ions in this reaction?

NaCl(aq) + AgNO3(aq) → AgCl(s) + NaNO3(aq)

a)

Ag+ and NO3-

b)

Na+ and Cl-

c)

Na+ and NO3-

d)

Ag+ and Cl-

13.

Which is the correct net ionic equation for this reaction?

3KOH(aq) + FeCl3(aq) → 3KCl(aq) + Fe(OH)3(s)

a)

3K+ (aq) + 3Cl- (aq) → 3KCl (s)

b)

Fe3+ (aq) + 3OH- (aq) → Fe(OH)3 (s)

c)

Fe3+ (aq) + Cl- (aq) → Fe(OH)3 (s)

d)

3K+ (aq) + 3OH- (aq) + Fe3+ (aq) + 3Cl- (aq) → Fe(OH)3 (s)

14.
Write dissociation equations for the following electrolytes. Show physical states of all species involved!
NaCl
a)
NaCl  --> Na+ + Cl-
b)
NaCl(s)  --> Na+(aq) + Cl-(aq)
c)
NaCl  --> Na + Cl
d)
NaCl(s) --> Na(aq) + Cl(aq)
15.
Write dissociation equations for the following electrolytes. Show physical states of all species involved!
Fe2O3
a)
Fe2O3(s) ↔ 2Fe3+(aq) + 3O2-(aq) 
b)
Fe2O3(s) ↔ Fe3+(aq) + O2-(aq) 
c)
Fe2O3(s) ↔ 2Fe+(aq) + 3O-(aq) 
d)
2Fe2O3(s) ↔ 2Fe+(aq) + 3O2-(aq) 
16.
Which has a pH below 7?
a)
Acid
b)
Base
17.
Which of the following is most likely to be basic:
a)
Lemon juice
b)
Vinegar
c)
Laundry detergent
d)
Coke
18.

Which of the following are properties of acids but not bases? Select all that apply.

a)

Changes the color of an indicator

b)

Sour taste

c)

Reacts with metals to produce hydrogen gas

d)

Feels slippery

19.

Neutralization is the process of an acid and a base reacting to form what? Select all that apply

a)

An ionic salt

b)

Hydronium ions

c)

NaCl

d)

Water

20.

An oxyacid is made up of hydrogen, _________, and a third element

a)

nitrogen

b)

oxygen

c)

carbon

d)

hydroxide

21.

What is the formula for nitrous acid?

a)

HNO2

b)

H3N

c)

HNO3

d)

HNO

22.

What is the formula for hydrosulfuric acid

a)

H2S

b)

H2SO2

c)

H2SO3

d)

H2SO4

23.

An arrhenius acid

a)

produces hydroxide ions in a solution

b)

is a proton donor

c)

produces hydrogen ions in a solution

d)

is a proton acceptor

24.

An arrhenius base

a)

produces hydroxide ions in a solution

b)

is a proton donor

c)

produces hydrogen ions in a solution

d)

is a proton acceptor

25.

Which of the following statements is true concerning acids and bases?

a)

acids and bases don't react with each other

b)

acids mixed with bases neutralize each other

c)

acids mixed with bases make stronger bases

d)

acids mixed with bases make stronger acids

26.

True or false: bases are sometimes called alkaline.

a)

True

b)

False

27.

Neutral solutions have a pH of:

a)

0

b)

1

c)

7

d)

14

28.

True or false: a neutral solution has equal amounts of H+ and OH-.

a)

True

b)

False

29.

Which is true?

a)

pH of less than 7 is basic; pH of more than 7 is acidic

b)

pH of less than 7 is acidic; pH of more than 7 is basic

30.

NaOH may be found in drain cleaners and as a component of soaps. Is NaOH an acid or a base?

a)

Acid

b)

Base

c)

Neither (Neutral)

31.
An extremely strong base would have a pH of...
a)
1
b)
7
c)
9
d)
14
32.
An extremely strong acid would have a pH of...
a)
1
b)
7
c)
9
d)
14
33.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-5
d)
1-20
34.

The picture below shows the relative concentrations of H+ and OH- in a solution. Is the solution an acid or a base?

a)

acid

b)

base

35.

For a solution, pH + pOH =

a)

7

b)

14

c)

1.0 x 10-14

d)

-log (1.0 x 10 -14)

36.

If the pH of a solution is 4.0, what is the pOH?

a)

4.0

b)

10.0

c)

1.0 x 10 -4

d)

cannot be determined from the information

37.

The pH of a solution is 8.43. What is the [H+]concentration?

a)

3.7 x 10 -9

b)

1.0 x 10-8.43

c)

2.7 x 10-6

d)

1.0 x 10-14

38.

If the [OH-] of a solution is 2.7 x 10-4 M, the pOH of the solution is

a)

10.44

b)

1.00

c)

3.57

d)

-4.43

39.

If the [H+] of a solution is 6.8 x 10-8 M, the pH is

a)

7.17

b)

3.2 x 10-5

c)

7.2

d)

7.62

40.

If the [H+] of a solution is 9.3 x 10-3 M, the pOH of the solution will be

a)

2.03

b)

1.02

c)

11.97

d)

12.98

41.

If a solution has a pOH of 3.7 the [OH-] of the solution is

a)

5.0 x 10-11

b)

2.0 x 10-4

c)

10.3

d)

14

42.

Oranges have a [H+] of 1.7 x 10-2 M. Their pOH is

a)

1.77

b)

12.23

c)

10.91

d)

3.09

43.

Ammonia has a pOH of 2. Ammonia is a(n) __________.

a)

acid

b)

base

c)

neutral

d)

metal

44.

Find the pH of a solution with [OH-] = 8.41 x 10-4.

a)

3.08

b)

10.92

c)

9.88

d)

11.23

45.

What is the [OH-] if the [H+] is 1.0 x 10-3M?

a)

1.0 x 10-3 M

b)

1.0 x 10-14 M

c)

6.02 x 10-23 M

d)

1.0 x 10-11 M

46.

If a solution has a [OH-] of 2.3x10-4, it must be a(n)...

a)

Acid

b)

Base

c)

Neutral

47.

If the pOH is 11.0, the pH will be _____ and the solution will be ______.

a)

11.0, acidic

b)

11.0, basic

c)

3.0, acidic

d)

3.0, basic

48.

If a solution has a pH of 1 what is the pOH? Is it an acid or base? (pick 2)

a)

acid

b)

base

c)

13

d)

15

e)

neutral

49.
The hydroxide ion concentration in a soft drink is 5.00 x 10-12 M.  Find the pH.
a)
0.002
b)
2.7
c)
11.3
d)
14
50.
Which of the following substances contain acid?
a)
An orange
b)
Bleach
c)
Distilled water
d)
Washing powder
51.
Which of the following is most likely to be basic:
a)
Lemon juice
b)
Vinegar
c)
Laundry detergent
d)
Coke

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