Red Cabbage Indicator

 

Aim;
I want to find out how to tell if something is an acid.

Method;

Equipment;

- Beaker 
- Red cabbage
-Boiling water
-Test Tubes
- Hydrochloride Acid and Hydroxide
- Dropper

Instructions
1.  Collect and set up Equipment
2. tear the Red Cabbage into small pieces and put in beaker
3. Pour 100mm of the freshly boiled water into the beaker.
4. Add 2cm of the acid to one of the end tubes, the big one and 2cm of the Hydroxide to the other
5. Add the Red Cabbage water into the two tubes using the dropper
6. Watch the colours and mix them seeing what colours you can make.

Results;

The mix made multiple different colours, we could even layer colours on top of one another, with only the two main colours, yellow and pink, we made purple, blue, a brighter pink, a greenish blue, and green. The colours were nice to watch mix.