Acid has Hydrogen in it.
The strength of Acid is measurement on the pH scale.
It goes from 0-14
0-1 is red
2-3 is orange
4-6 is yellow
7 green
8-10 blue
11-12 indigo
13-14 Violet
A base is the opposite chemical to an acid
A base contains hydroxide
An acid and a base NEUTRALISE each other and make water.
