What is an acid?

What is an acid?

Author: Nathan Lampson
This lesson will explain what an acid is, what the pH of an acid is, and give an overview of the general properties of acids.
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Introduction to Psychology

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A substance that increases the H+ ion concentration in a solution.  On the pH scale, an acid is a solution with a pH of less than 7.


Properties of acids:

pH < 7

Sour taste

Neutralized by bases

Raise the concentration of hydrogen (H+) ions in a solution