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Friday, September 17, 2021

Red Cabbage Indicator

 Kia ora readers!

Aim: 

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

Method:

Equipment 

  • Beaker
  • Red Cabbage
  • Hot water 
  • Dropper 
  • Test Tubes 
  • Different samples for testing 

Instruction:
  1. Get your equipment
  2. Rip the cabbage into small pieces and put them into the beaker 
  3. Add about 100mL of hot water into the beaker
  4. Let it sit for 10-15 minutes
  5. Get 2 test tubes and put both the hydrochloric acid and the Hydroxide along with the red cabbage water. (It should turn pink or bright green/yellow)
Results:





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