A solution that has an excess of OH- ions.

A bases the hydrogen from the back.
Sodium Hydroxide - NaOH

【 bases 】

Tastes bitter

Feel slippery or soapy

React with acids to form salts+water

Don't change the color of litmus

Name four common bases:

- Detergents
- Lye
- Soap
- household ammonia

Sodium Hydroxide - NaOH
Potassium Hydroxide - KOH
Ammonium Hydroxide - NH4OH
Calcium Hydroxide - Ca(OH)2
Magnesium Hydroxide - Mg(OH)2

A pH scale above 7 to 14 is basic.