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Solutions, Acids, Bases Test Review

Total questions: 70

Worksheet time: 1hrs 5mins

Name
Class
Date
1.
__________ are made up of solutes and solvents.
a)
Solutions
b)
Suspensions
c)
Heterogeneous Mixtures
d)
Pure Substances
2.
What does it mean to dilute a solution?
a)
lower the concentration of solute per solvent
b)
increase the concentration of solute per solvent
3.
You can make a solution more concentrated by adding __________.
a)
solute
b)
solvent
c)
water
4.
What is able to dissolve other substances?
a)
Solute
b)
Salt
c)
Suspension
d)
Solvent
5.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-5
d)
1-20
6.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
7.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
8.

In a test of pH levels, a baking soda has a pH of 9 and bleach has a pH of 12. What is true about there relationship?

a)

Both of the solution are Bases

b)

Both of the solution are Acids

c)

The Baking soda is an acid and the Bleach is a base

d)

The baking soda is a base and the Bleach is an Acid.

9.

A base is a substance

a)

That releases OH- ions when dissolved in water

b)

That releases H+ ions when dissolved in water

c)

Does not release any ions when dissolved in water

d)

None of the above

10.

An acid

a)

is a substance that releases H+ ions when dissolved in water

b)

is a substance that does not release any ions when dissolved in water

c)

is a substance that releases OH- when dissolved in water

d)

releases an equal amount of OH- and H+ ions when dissolved in water

11.

If the [H+] of a solution is 1 x 10-2 M the pH is

a)
2
b)
12
c)
-2
d)
1
12.

If the pH of a solution is 5.0 the [H+] is

a)
1.0 x 105  M
b)
1.0 x 109  M
c)
5.0 x 101  M
d)
1.0 x 10-5  M
13.
If the pH of a solution is 5.6 the pOH is
a)
6.5
b)
12.4
c)
8.4
d)
5.6
14.
A  pH and a pOH will add up to:
a)
0
b)
7
c)
14
d)
1.0 x 10-14
15.

If the [H+] of a solution is 1 x 10-8 M the [OH-] is

a)
1.0 x 10-6
b)
1.0 x 106
c)
1.0 x 10-8
d)
1.0 x 108
16.

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

a)
10.44
b)
3.56
c)
1.00
d)
-4.43
17.
If the pH of a solution is 7 the solution is said to be
a)
Acidic
b)
Basic
c)
Neutral
d)
Tasty
18.

If the [H+] of a solution is 6.8 x 10-9 M the pH is

a)
8.17
b)
8.2
c)
9.99
d)
8.62
19.

if the [H+] of a solution is 8.4 x 10-3 M the pOH of the solution will be

a)
2.08
b)
11.92
c)
1.02
d)
12.98
20.
if a solution has a pOH of 5.2 the [OH-] of the solution is
a)
6 x 10 -6 M
b)
6.3 x 10 -6 M
c)
1.58 x 10-5 M
d)
2 x 10-5 M
21.
Bases will turn litmus paper __________, while acids will turn litmus paper __________.
a)
blue.....red
b)
red.....blue
c)
pink.........colourless
d)
colourless..........pink
22.
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
23.
How many liters would you need to make a 1 M solution if you have 6 mol of Sodium Hydroxide? 
a)
2
b)
3
c)
4
d)
6 
24.
What is the molarity of 4 g of NaCl (MM=58.45) in 3,800 mL of solution?
a)
0.018 M
b)
0.0011 M
c)
1.052 M
d)
0.062 M
25.
How many grams of solute are dissolved in 125.0 mL of 5.00 M NaCl (MM = 58.45)?
a)
0.625 g NaCl
b)
625 g NaCl
c)
36.5 g NaCl
d)
0.04 mol NaCl
26.
Find the molarity of 186.55 g of sucrose, C12H22O11 (MM = 342) in 250 mL of water.
a)
2.18 M
b)
0.746 M
c)
1.18 M
d)
0.545 M
27.
How many moles of NaCl are present in a solution with a molarity of 8.59 M and a volume of 125 mL?
a)
1074 mol
b)
0.069 mol
c)
1.07 mol
d)
62.7 mol
28.
How many grams of AgNO3 (MM = 169.87) are needed to prepare 0.125M solution in 250 mL of water? 
a)
.03g
b)
0.5g
c)
5.3g
d)
84.9g
29.
What is the molarity of a solution made by diluting 26.5 mL of 6.00M HNO3 to a volume of 250 mL?
a)
15.9 M
b)
0.636 M
c)
0.642 M
d)
1.59 M
30.
Calculate the molarity of the following solution:  1.0 mole of KCl in 750.0 mL of solution.
a)
0.750 M
b)
99 M
c)
1.3 M
d)
2.0 M
31.
What volume of 1.50 M KBr can be made from 15.6 mL of concentrated KBr with a molarity of 9.65 M?
a)
150. mL
b)
151 mL
c)
1.00 L
d)
100. mL
32.
What is the molarity of a solution made by adding 1.565 moles of PbNO3 to 500 mL?
a)
300. M
b)
31.3 M
c)
3.13 M
d)
1.56 M
33.
How many moles are needed to make 2.5 L of a 3.8 M solution? 
a)
9.5 mol
b)
0.66 mol
c)
1.5 mol
d)
15 mol
34.
acid + base ₋>
a)
salt + hydrogen
b)
salt + water
c)
salt + carbon dioxide + water
d)
salt
35.
HCl + NaOH → 
a)
NaH + ClOH
b)
NaCl + H2
c)
NaCl + H2O
d)
NaCl + Cl2
36.
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
37.
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
38.
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
39.
Identify the products of the chemical equation
3 LiOH + H3PO4 →
a)
Li3PO4 + 3 H2O
b)
LiPO4 + 3 H2O
c)
Li(PO4)3 + 3 H2O
d)
BOY + La + N2
40.
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
41.

A sour taste is a characteristic of:

a)

acids

b)

bases

c)

neutral

d)

pH scale

42.

Which is a characteristic of a base?

a)

tastes sour

b)

found mostly in foods

c)

feels slippery

d)

turn litmus paper red

43.

What is the Rf value of the blue dot?

a)

0.60

b)

1.25

c)

0.80

d)

0.20

44.

What is the Rf value of the red dot?

a)

0.60

b)

2.00

c)

0.40

d)

0.20

45.

What is the Rf value of the purple dot?

a)

0.60

b)

3.00

c)

2.40

d)

0.70

46.

Which of the following is a mixture?

a)

saltwater

b)

salad

c)

kool-aid

47.

Which of the following is a solution?

a)

saltwater

b)

trail mix

c)

salad

48.
acid + base ₋>
a)
salt + hydrogen
b)
salt + water
c)
salt + carbon dioxide + water
d)
salt
49.

A 25.0 mL sample of HCl was titrated to the endpoint with 15.0 mL of 2.0 M NaOH. What is the molarity of HCl?

a)

1.6 M HCl

b)

0.03 M HCl

c)

0.6 M HCl

d)

1.2 M HCl

50.

If it takes 25 mL of 0.05 M HCl to neutralize 345 mL of NaOH solution, what is the concentration of the NaOH solution?

a)

0.0036 M NaOH

b)

0.00125 M NaOH

c)

3.62 M NaOH

d)

1.25 M NaOH

51.

What is the reading on this burette?

a)

24.0cm3

b)

25.8cm3

c)

24.2cm3

d)

23.9cm3

52.
what is the reading on this burette?
a)
4.40mL
b)
3.50mL
c)
3.60mL
d)
4.50mL
53.

A __________ reaction is when an acid and a base are reacted together to produce water and a salt.

a)

Neutralization

b)

Volcanic

c)

Decomposition

d)

Single replacement

54.

Which of the following answer choices IS NOT an example of a homogeneous mixture?

a)

coffee

b)

lemonade

c)

blood

d)

reese's peanut butter cup ice cream

55.

________ mixture is a mixture that is made up of two or more substances that are not uniformed throughout.

a)

pure substances

b)

homogeneous

c)

heterogeneous

d)

elements

56.
The parts of a homogeneous mixture are   __________ throughout. 
a)
Same 
b)
Different 
c)
Neutral 
d)
Suspended 
57.

What is the difference between a heterogeneous mixture and a homogeneous mixture?

a)

You cant see the parts in a heterogeneous mixture, but you can in a homogeneous mixture.

b)

You can see the parts in heterogeneous mixture, but you cant see them in a homogeneous mixture

58.

____________ is the process where particles of a solvent completely surround the particles of a solute.

a)

solvation

b)

immisciblation

c)

dissolution

d)

saturation

59.

Which of these would be most likely to decrease the rate of solvation?

a)

stirring or shaking

b)

breaking the solute into smaller pieces

c)

lowering the temperature

d)

increasing the temperature

60.

The separation of ions that occurs when an ionic compound dissolves is called

a)

ionization

b)

dissociation

c)

electronegativity

d)

spectation

61.

Which equation demonstrates the dissolving process of glucose, C6H12O6?

a)

C6H12O6(s) ---> C6H12O6(aq)

b)

C6H12O6(aq) ---> C6H12O6(aq)

c)

C6H12O6(s) ---> C6H12O6(aq) + H2O (l)

d)

C6H12O6(s) + H2O (l)---> C6H12O6(aq)

62.

Which equation demonstrates the dissociation of NaCl in water?

a)

NaCl(s) --->Na+(aq) + Cl-(aq)

b)

NaCl(s) ---> Na(s) + Cl-(aq)

c)

NaCl (aq) ---> Na+(aq) + Cl-(aq)

d)

NaCl (s) ---> Na+(s) + Cl-(s)

63.

Why does stirring affect the rate of dissolving?

a)

Stirring decreases the contact between the solute and the solvent.

b)

Stirring has no effect on the rate of dissolving.

c)

Stirring causes the solute to separate from the solvent.

d)

Stirring increases the contact between the solute and the solvent.

64.

How does increasing the surface area of the solute affect the rate of dissolving?

a)

Faster rate of dissolving

b)

No effect on the rate of dissolving

c)

Causes the solute to solidify

d)

Slower rate of dissolving

65.

The ___ is the thing being dissolved.

a)

solute

b)

solvent

c)

mixture

d)

solution

66.

The substance being dissolved is called the ________

a)

solvent

b)

solid

c)

solute

d)

solvate

67.
What is a solvent?
a)
The substance that does the dissolving in a solution.
b)
The substance that is being dissolved in a solution.
c)
The mixing of different substances.
d)
The process in which neutral molecules lose or gain electrons
68.

What is the difference between a solute and a solvent?

a)

A solute is a solid substance, while a solvent is a liquid substance.

b)

A solute is the substance being dissolved, while a solvent is the substance doing the dissolving.

c)

A solute is the substance doing the dissolving, while a solvent is the substance being dissolved.

d)

A solute and a solvent are the same thing.

69.

Match the following

    • CH3CO2H(aq)+H2O(l) ⇋ CH3CO2−(aq) + H3O+(aq)

a)

CH3CO2H

1.

acid

b)

H2O

2.

base

c)

CH3CO2−

3.

conjugate base

d)

H3O+

4.

conjugate acid

70.

Match the following

    • Ba(OH)2(aq) + 2HNO3(aq)→Ba(NO3)2(aq) + 2H2O(l)n

a)

HNO3

1.

acid

b)

Ba(OH)2

2.

base

c)

Ba(NO3)2

3.

conjugate base

d)

2H2O

4.

conjugate acid

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