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 change color ...

The color that a substance turns a pH indicator is a characteristic property of that substance. An acid can neutralize a base, and a base can neutralize an acid Students squeeze red cabbage leaves in ...

Green cabbage and savoy cabbage are spherical and green in color. Red cabbage, sometimes called purple cabbage, is similar in flavor and shape to green cabbage but has a surprising purple color.