Read Next
base: Media
chemical compound
Videos
Understanding acids, bases, and the pH scale
The fundamentals of acids and bases and how the pH scale is used to measure them.
Video: © American Chemical Society (A Britannica Publishing Partner)
Images
alkaline testing
Indicator paper is used to determine the pH of a liquid. The paper will turn blue...
© Sabine Kappel/Shutterstock.com
VIEW MORE in these related Britannica articles: