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 ...

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. Blueberries contain a substance called ...

Make an acid-base indicator. Dr Yan uses some very colourful ... which belongs to a family of water-soluble molecules called Anthocyanins. These pigments are responsible for the red, purple ...