Take 1/4 red cabbage. Finely slice the cabbage ... than 7 are considered acidic and anything with a pH higher than 7 is basic. Our test implies that lemon juice has a low pH whereas bicarbonate ...

Discover how red cabbage can act as a natural pH indicator, revealing whether substances are acids or bases through beautiful color changes. pH is a measure that tells us how acidic or basic a ...

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.