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.
Red cabbage changes colour in the presence of acids and bases because it contains a pigment called Flavin, which belongs to a family of water-soluble molecules called Anthocyanins. These pigments ...
Most people use cabbage for cooking but it can also be really great for your at-home chemistry ... Add 1 drop of lemon juice to the cup labeled Acid and gently swirl to mix. The liquid turns a ...