The color of the cabbage indicator will change to red or pink if the solution is an acid and it will change to green or yellow if it is a base. It will remain purple or blue if the test solution is ...

The color should be more reddish purple than the color of the indicator when your adult partner blew into the indicator. When the carbon dioxide mixes with the water in the red cabbage indicator, it ...

1cm of purple liquid into 6 glasses/plastic cups ... Acidic substances should make the cabbage indicator turn bright pink. The basic, bicarbonate of soda, should turn dark blue.