If a substance resists changes in pH, it is called
A) neutral.
B) acidic.
C) alkaline.
D) a buffer.
E) a salt.

Question

Quizplus · Accepted Answer

A buffer is a solution that can resist changes in pH when small amounts of acid or base are added to it. Therefore, a substance that resists changes in pH is a buffer. Neutral substances have a pH of 7, acidic substances have a pH below 7, and alkaline substances have a pH above 7. Salts are compounds formed when an acid and a base react, but not all salts are pH-resistant.

If a Substance Resists Changes in PH, It Is Called