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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 
Instructions:
  1. Gather the equipment's ready.
  2. Rip the cabbage into small portions/pieces and put them into a beaker.
  3. Add about 100ml of hot water on the beaker.
  4. Then let it sit for a few minutes. 
  5. Add in 2 cm of Sodium Hydroxide in the test tube same for Hydrochloric acid .
  6. Then for both of them add the Red Cabbage liquid using the dropper and identify the colours.
  7. Then mix the other liquids to create different colours.

Results:











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