A compound of a metal with the hydroxide ion OH⁻ (as in many alkalis) or the group —OH.
- ‘Soaps are created by the chemical reaction of a fatty acid with an alkali metal hydroxide.’
- ‘Initially, the ammonia and carbon dioxide reacts with water to form the weak electrolytes, ammonium hydroxide and carbonic acid.’
- ‘Carbonates and hydroxides are generally insoluble.’
- ‘Nitrates are formed from reacting nitric acid with metal oxides, hydroxides, or carbonates.’
- ‘Therefore, they are neutralized by the hydroxide and hydrogen ions, and the resultant solution is neutral.’
We take a look at several popular, though confusing, punctuation marks.