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Thursday, 18 November 2021

Red Cabbage Indicator

 Aim: I want to find out how red cabbage cab tell if a liquid is an acid or a base


Research:

method:

Equipment 

  • Red cabbage
  • acid 
  • base 
  • testing tubes
  • hot water
  • doper
  • beaker
Instructions
  1. Get all your equipment 
  2. cut your cabbage into little pieces 
  3. Put your cabbage in the hot water
  4.   mix it around till the water turns a dark purple 
  5. get 3 drops of the purple water in each tube 
  6. add base and acid to your purple water 
  7. and mix them together and make your own colours 

 







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