- Acid has Hydrogen in it
- The strength of acid is measured at the PH scale
- It goes from 0 to 14
- 0 to 1 is red, 2 to 3 was orange, 4 to 6 is yellow, 7 was green, about 8 to 10 is blue, 11 to 12 is indigo and violet 13 to 14
- A base is he opposite chemical to acid
- A base contains hydroxide (OH)
- An acid aNd a base Neutralise each other
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