WorksheetsUnit 12 & 13 Test
Total questions: 27
Worksheet time: 14mins
Name
Class
Date
1.
What is significant about non- volatile solutes?
a)
depress freezing point and elevate boiling point
b)
depress boiling point and elevate freezing point
c)
depress both boiling and freezing point
d)
elevate both boiling and freezing point
2.
which crystals will dissolve the slowest?
a)
Large, unstirred crystals
b)
Large, stirred crystals
c)
Small, unstirred crystals
d)
Small, stirred crystals
3.
which crystals will dissolve the quickest?
a)
Large, unstirred crystals
b)
Large, stirred crystals
c)
Small, unstirred crystals
d)
Small, stirred crystals
4.
If there are more H+ solution than OH- solution in a mixture, the mixture is ________
a)
acidic
b)
basic
c)
both
d)
neither
5.
If there are more OH- solution than H+ solution in a mixture, the mixture is ________
a)
acidic
b)
basic
c)
both
d)
neither
6.
If the H+ = 5.42 x 10-8 M what is the pH of the solution?
a)
10.6
b)
4.3
c)
5.9
d)
7.27
7.
If the H+ = 5.42 x 10-8 M and you found the pH, is it acidic, basic, or neutral?
a)
acidic
b)
basic
c)
neutral
8.
If the OH- = 6.23 x 10-11 M what is the pOH?
a)
5.1
b)
10.2
c)
20.4
d)
4.6
9.
In a neutral solution the pOH is always equal to ___.
a)
0
b)
7
c)
14
d)
2
10.
The substance that dissolves in a solution is called the ____.
a)
Solvent
b)
Solute
c)
Solubility
d)
Water
11.
A solution that exceeds the maximum amount of solute that should be dissolved in the solvent at that temperature is said to be ____.
a)
Saturated
b)
Unsaturated
c)
Supersaturated
12.
If a solution has less than the maximum amount of solute dissolved in then the solution is said to be ____.
a)
Saturated
b)
Unsaturated
c)
Supersaturated
13.
a)
a)
17.3
b)
10.4
c)
7.65
d)
9.84
14.
b)
a)
Acidic
b)
Basic
c)
Neutral
15.
Check the box beside the options that increase the rate at which a solid solute dissolves. (4 pts)
a)
Stirring
b)
Increase Surface Area
c)
Increase the temperature
d)
Increase the amount
16.
The minimum amount of energy required for reactants to become products is called the ____.
a)
Reactant Energy
b)
Activation Energy
c)
Supplied Energy
d)
Product Energy
17.
a)
a)
Left
b)
Right
c)
No Change
18.
b)
a)
Left
b)
Right
c)
No Change
19.
c)
a)
Left
b)
Right
c)
No Change
20.
d)
a)
Left
b)
Right
c)
No Change
21.
e)
a)
Left
b)
Right
c)
No Change
22.
a)
a)
Left
b)
Right
c)
No Change
23.
b)
a)
Left
b)
Right
c)
No Change
24.
c)
a)
Left
b)
Right
c)
No Change
25.
d)
a)
Left
b)
Right
c)
No Change
26.
e)
a)
Left
b)
Right
c)
No Change
27.
C
a)
[C]^c [B]^b/ [A]^a[D]^d
b)
[C]^c [D]^d/ [A]^a[B]^b
c)
[A]^a[B]^b/[C]^c [D]^d
d)
[A]^a[D]^d/[C]^c [B]^b
100 %
