Acids, Bases & pH

What does the pH scale measure?

How acidic or basic (alkaline) a substance is, on a scale from 0 to 14

What pH value is considered neutral?

7 (pure water)

Is a substance with a pH below 7 acidic or basic?

Acidic

Is a substance with a pH above 7 acidic or basic?

Basic (alkaline)

Name one common tool or substance used to test pH.

Litmus paper or a universal indicator (any reasonable answer)