Students will be able to explain that if two substances cause turn a pH indicator different ... making a red cabbage indicator solution. Tell students that they will use a special color-changing ...

There are 2 methods for testing for pH: Universal indicator can ... red in solutions that are acidic and it is blue in alkaline solutions. Universal indicator is a special indicator because ...

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 ...