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.

Make an acid-base indicator. Dr Yan uses some very colourful science to find out what's acidic in his kitchen. Take 1/4 red cabbage. Finely slice the cabbage. Put all the chopped-up cabbage into a ...

If desired, prepare red cabbage indicator by boiling red cabbage in distilled water and filtering.Provide several prepared reference pH solutions in a lighted test tube rack. Provide appropriate ...