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.

An acid can neutralize a base, and a base can neutralize an acid Students squeeze red cabbage leaves in water to make an acid-base indicator solution. Students add laundry detergent powder (a base) ...

Mash up the red cabbage so the water you have added really does turn very purple. The more concentrated, the more noticeable the colour change. Red cabbage changes colour in the presence of acids ...

The color can range from purple to blue to green ... Each crop has its season. The Red Cabbage crop, in particular, can be grown in the Summer.