Make Your Own Indicator

Make your own indicator using red cabbage Put on your goggles. Put some red cabbage leaves beaker. Add a little hot water to the leaves. Mix the leaves with a glass rod for 2 minutes. Leave to cool. Set up a conical flask, filter paper and funnel. Filter the cabbage and water. The filtrate (liquid) will be your indicator. Add a few drops of indicator to some acid in a test tube, some alkali in another test tube, and some water in another test tube. Record your results below.

Cabbage Water as an indicator What colour does your indicator go in acid, alkali, and neutral solutions? Acid

Neutral (water)

Alkali

__________

__________

__________

Colour in the test tube with the correct colour

Colour