Base
Definition
A substance that neutralises acids.
Explanation
A base that dissolves in water is an alkali and produces hydroxide ions.
Example
Sodium hydroxide is a base.
Common confusion
All alkalis are bases, but not all bases dissolve in water.
Related terms
- AcidA substance that produces hydrogen ions in water and has a pH below 7.
- pHA scale, usually from 0 to 14, that measures how acidic or alkaline a solution is.
- NeutralisationThe reaction of an acid with a base to form a salt and water.
Study guides that use this term
- pH, Acids and BasesSupporting explainer
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