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Thursday, 30 May 2019

making indicators

Aim: To make acid-base indicators using everyday substances

Equipment:

  • red cabbage 
  • tea
  • beetroot
  • turmeric
  • cranberry juice
  • a beaker
  • water
  • tripod
  • Bunsen burner
  • gauze mat
  • 1.0 mol L-1 Hci and 1.0 L-1 mol L-1 NaOH.


Method

  1. for the cabbage and beetroot. Chop the cabbage into small pieces until you have enough to fill 2 cups place the cabbage into a large beaker and add water to cover the cabbage, boil over a Bunsen burner for latest ten minutes for the colour to leach out of the cabbage,filter out the plant material to obtain a red purple-bluish colour liquid  




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1 comment:

  1. Anonymous7 August 2019 at 10:19

    Hi Daisy,
    I like how you wrote the equipment clearly yet im super confused for the method because im guessing you never finished it so I would recommend finishing it.
    Lucy

    ReplyDelete


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