Making an Indicator
|Cut some red cabbage leaves and place the pieces in a small pot. Fill the pot with water and bring to boil. Boil for ten minutes. The red cabbage dye will slowly come out into the water and the leaves will turn a whitish colour.
Decant the purple coloured water into a cup. Take care not to spill any on your clothing or furniture as it will stain.
What you now have is a natural indicator. This indicator will change colour to identify acids or basic solutions.
Using small portions of the indicator do the following