Discover how red cabbage can act as a natural pH indicator, revealing whether substances are acids or bases through beautiful color changes. pH is a measure that tells us how acidic or basic a ...

Acid/base indicators are described and used to identify substances as acids or bases. Indicators and the pH Scale: Acid/base indicators are described and used to identify substances as acids or bases.

Today for Science with Dr. Bob we are working with an unconventional way to check the pH certain liquids. "Cabbage shows its colors as a pH indicator" · Plants are the primary producers of food and ...