The pH scale measures the stength of an acid or a base.
|
pH |
-1 |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
|
Strength |
Strong acids |
Weak acids |
Neutral |
Weak bases |
Strong bases |
||||||||||||
|
Examples |
Sulfuric acid in car batteries Muriatic acid (hydrochloric acid) |
Sour cream Citric acid in lemons Acetic acid in vinegar |
Water |
Bicarb of soda (pH 8.1) Magnesium hydroxide (pH 10.4)
|
Limewater (pH 12.3) Ammonia in cleaning products Sodium hydroxide in oven cleaner |
||||||||||||