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Saturday, July 17, 2010

titration

friday,
we did a experiment of titration,

boring experiment,
cause we did it when form4 ord.

yia wen look very serious o..^^
dont forgot swirl the beaker o.^^

after titration ,purple colour become colourless


xiao han put phenolphthalein into alkaline..
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2 comments:

  1. 我们的爱July 17, 2010 at 10:41 PM

    purple turn to colourless la...^^
    i help u to correct it...dont mind...^^

    lai ling.

    ReplyDelete
  2. amber ongJuly 18, 2010 at 1:27 AM

    thx..i correct it jor..^^

    ReplyDelete

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