Is it an acid, base, or neutral? Make your own acid-base indicator from red cabbage, then test various household substances. Acids and bases are classes of materials that have different properties.

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.

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. Turmeric powder contains a chemical called ...