Acids and bases are classes of materials that have different properties. Acid-base indicators change color depending on whether they are in acids or bases. Red cabbage leaves contain a substance ...

Beets, and other fruits and vegetables like blackberries, plums, and blueberries are natural indicators of pH. They have a compound called anthocyanin that gives them both their pigment and this ...

Acids and bases are classes of materials that have different properties. Acid-base indicators change color depending on whether they are in acids or bases. Many berry juices contain a substance called ...