To test pH, one can use pH paper or chemical indicators. Red cabbage juice changes color in the presence of an acid or a base and can be easily made at home. Anthocyanin, a pigment in the leaves of cabbage and other plants, is the reason for the color change. The...
(The entire section contains 148 words.)
Unlock This Answer Now
Start your 48-hour free trial to unlock this answer and thousands more. Enjoy eNotes ad-free and cancel anytime.
Already a member? Log in here.
Further Reading