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Acid and Bases review

Total questions: 30

Worksheet time: 46mins

Name
Class
Date
1.
Acids are what range on the pH scale?
a)
0-14
b)
0-6.99
c)
7
d)
7.1-14
2.
Bases are what range on the pH scale?
a)
0-6.99
b)
7
c)
7.1-14
d)
0-14
3.
7 on the pH scale means that it is...
a)
Acidic
b)
Basic
c)
Neutral
4.
What color does acid turn litmus paper?
a)
It turns litmus paper purple.
b)
It turns red litmus paper blue.
c)
It turns blue litmus paper blue.
d)
It turns blue litmus paper red.
5.
What color does bases turn litmus paper?
a)
It turns litmus paper purple.
b)
It turns blue litmus paper red.
c)
It turns red litmus paper blue.
d)
It turns red litmus paper re
6.
A pH scale is...
a)
A  corrosive substance that says a substance is an acid.
b)
An indicator that tells if a substance is an acid or base. 
c)
A blue litmus paper.
d)
A red litmus paper.
7.
Which of the following is a property of bases?
a)
a pH < 7
b)
slippery feel
c)
tart or sour taste
d)
corrosive to metals
8.
Which of the following is a property of an acid?
a)
pH > 7
b)
turns litmus paper blue
c)
tart or sour taste
d)
corrosive to organic materials
9.
What is the name of H3PO4?
a)
hydrophosphoric acid
b)
phosphorous acid
c)
phosphoric acid
d)
phosphoric hydroxide
10.
What is the name of Mg(OH)2
a)
magnesium hydroxide acid
b)
hydromagnesium acid
c)
magnesium oxygen hydride
d)
magnesium hydroxide
11.
What is the formula of hydrosulfuric acid?
a)
H2S
b)
H2SO4
c)
HS
d)
HSO4
12.
What is the pH of a solution if [H+] = 6.0 x 10-10 M?
a)
3.45
b)
6.25
c)
9.22
d)
11.34
13.

What is the pH of a solution if [H+] = 1.0 x 10-5M?

a)

5.00

b)

7.00

c)

9.00

d)

11.00

14.
Predict the products for the following reaction:
LiOH + H2SO4 -->
a)
LiSO4 + HOH
b)
LiSO4 + H2(OH)
c)
Li2SO4 + HOH
d)
Li2SO4 + H2(OH)
15.

Consider the following reaction:

HCl + KOH --> H2O + KCl


Identify the acid in the reaction above.

a)

HCl

b)

H2O

c)

KOH

d)

KCl

16.

the H in pH stands for

a)

hood

b)

happy

c)

hydrogen

d)

help

17.
If the pH of a solution is 5.6 the pOH is
a)
6.5
b)
12.4
c)
8.4
d)
5.6
18.
A  pH and a pOH will add up to:
a)
0
b)
7
c)
14
d)
1.0 x 10-14
19.
If the [OH-] of a solution is 2.7 x 10-4 mol/L the pOH of the solution is
a)
10.44
b)
3.56
c)
1.00
d)
-4.43
20.
A solution with a [H+] of 9.4 x 10-5 mol/L is said to be
a)
Acidic
b)
Basic
c)
Neutral
d)
negative number, no solution.
21.

What is the [H+] if the pH is 4.0?

a)

1.0 x 10-10 M

b)

1.0 x 10-14 M

c)

1.0 x 10-4 M

d)

1.0 x 10-7 M

22.

What is the [OH-] if the pH is 4.9?

a)

4.9 x 10-10 M

b)

1.0 x 10-4 M

c)

1.25 x 10-5 M

d)

7.94 x 10-10 M

23.
Zn(OH)2 is an example of a...
a)
acid
b)
base
c)
salt
24.

Complete the following reaction:

HCl + Mg(OH)2 -->

a)

MgCl2 + H2O

b)

Mg +H2O

c)

MgCl2 + H2

d)

MgCl2 + H2O + CO2

25.

If it takes 54 mL of 0.1 M NaOH to neutralize 125 mL of an HCl solution, what is the concentration of the HCl?

a)

0.08

b)

0.04

c)

0.02

d)

0.01

26.
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
27.
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
28.
what is the reading on this burette?
a)
4.40mL
b)
3.50mL
c)
3.60mL
d)
4.50mL
29.
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
30.

A 50.0 mL sample of Ca(OH)2 is neutralized by 300.0 mL of HCl solution with a concentration of 1.3.M. Calculate the molarity of the Ca(OH)2 solution.

a)
1.0 M
b)
0.50 M
c)

7.8 M 

d)

0.22 M

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