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Wednesday, 17 March 2021

Indicators

 Aim: To make acid-base indicators using everyday substances.

Equipment: 

  • Red cabbage
  • Tea 
  • Beetroot
  • Turmeric
  • Cranberry juice
  • A beaker
  • Water
Method:

Task One:


  1. You now have five beakers, each containing a different indicator. 
  2. Using a pipette, place 5 mL of the cabbage indicator into two test tubes.
  3. Add 5 mL of HCI (Acid) to one test tube and 5 mL of NaOH (Alkali) to the other test tube.
  4. Record the changes in the table below.
  5. Clean the test tubes and repeat for the Beetroot, Tea, Cranberry, and Turmeric indicators.         

Discussion: For this experiment, we didn't use any burners. because our room is a classroom it's not a science room. so we found not to use any burners. but it still works and uses all of this to see if it's a base or an acid.

Conclusion: the experiment works. it was really fun, especially with my friends I'm working with. we were just having fun experimenting this indicator. 


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