Acid
noun · Chemistry
Definition
A substance that produces hydrogen ions in water and has a pH below 7.
Explanation
Acids react with bases and with some metals. Strong acids ionise completely in water.
Example
Hydrochloric acid is a strong acid.
Common confusion
A strong acid is not the same as a concentrated acid.
Related terms
- BaseA substance that neutralises acids.
- 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
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