Red Cabbage Indicator

Aim:

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

Method:

Equipment 

• Beaker 
• Red Cabbage 
• Hot water
• Test tubes
• Dropper 
• Acid + hydroxide 

Instructions 

1. Get your equipment 
2. Rip a leaf of red cabbage and rip it into small pieces putting the small pieces in the beaker
3. Pour 1ml of hot water into the beaker
4. Add about 2cm deep of acid into one of the test tubes
5. Add about 2cm deep of the hydroxide into a different test tubes 
6. Use the dropper to pick up some of the liquid from the beaker 
7. Drop the liquid into the acids 
8. Play around with the liquids (by using the dropper) to make different colours 

Results:

When I added a few drops of the red cabbage water into the acids, it turned different colours.