Wednesday December 10th, 2014 07:43 Chemistry Lesson: Ph Tests for Acids & Bases : Chemistry Lesson: How to Make a Ph Indicator

Juice from a boiled red cabbage makes an excellent natural Ph indicator when performing a chemistry experiment to test for acids and bases. Make a Ph indicator to test for acidity and Ph levels with the tips in this free video on chemistry experiments from a science teacher. Expert: Fiona Finke Bio: Fiona Finke is a science teacher who likes to explain how a better understanding of the universe will help us in our daily lives. Filmmaker: Nili Nathan

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    53 Comments on “Chemistry Lesson: Ph Tests for Acids & Bases : Chemistry Lesson: How to Make a Ph Indicator”

    • andrewx7441 January 13, 2009 at 10:35 am

      lol beethoven

    • adejareojo February 14, 2009 at 3:32 am

      chemystery indeed

    • DumBlondie101 March 12, 2009 at 9:10 am

      is this all their is cuse i dont have red cabbage

    • RailoX April 26, 2009 at 9:18 am

      She took two minutes to say: Cut the cabbage into fours, boil it, take out the water and there’s your indicator.

    • 509g1 May 16, 2009 at 6:39 am

      shes thick

    • phj1990 June 7, 2009 at 3:38 am

      I thought this was a test for Ph(enyl) groups in organic molecules.

      I think you meant this is a pH test.

    • soulxofxgirl June 16, 2009 at 9:51 am

      dammit i just wanna know the properties of acids and bases, come on i have a final 2morrow snif snif

    • SoldoutGodchaser June 18, 2009 at 12:13 pm

      try the chemguy or vu chemistry. this is not info to pass a final

    • killerkitty777 August 4, 2009 at 5:06 am

      its called ‘quarters’ not ‘fours’ lol

    • LucentTwinkle September 28, 2009 at 1:57 pm

      i think she meant fourths; not ‘fours’ as people are stating

    • 2ndviolin October 5, 2009 at 2:58 am

      Eat the cabbage! (What a waste).

    • mecthing3 October 8, 2009 at 9:15 am

      2 minutes to cut up cabbage. put water in it and then throw it away. what a waste

    • bhabooshka October 24, 2009 at 1:35 pm

      she’s a milf

    • magnusalexa April 5, 2010 at 1:09 am

      does anyone know if petroleum spirit (lighter fluid) after evaporation leaves any harmful residue?

    • magnusalexa April 5, 2010 at 1:10 am

      @mecthing3 not a waste at all, a red cabbage costs a lot less than PH test kits

    • melvyn3000 April 19, 2010 at 7:47 pm

      It’s actually pH.

    • i5Alex June 9, 2010 at 3:01 pm

      @melvyn3000 True, anyways i have a Chemistry exam in 15 minutes and i dont know shit :/ evn tho i like experiments and the whole thing i just cant memorize all those chemical thing’s whatever they ar called… fusions? anyways all i know is H2O O2 N2O and Cu LOL :/

    • Dragonboy476 September 22, 2010 at 9:06 am

      Nice Job posting the transcript OVER the video…….

    • lizistar9673 January 3, 2011 at 1:11 am

      can you use this process for other indicators too? (exp: poinsettia, beet)

    • singingcetacea January 19, 2011 at 12:21 am

      If you are concerned about kids try breaking the cabbage apart with your hands and soaking it overnight in water, and your results will be:

      No giant containers of scalding, boiiing water,

      No large, sharp knifes,

      just cabbage juice

      and best of all…

      no lawsuits 🙂

    • singingcetacea January 19, 2011 at 12:25 am

      Also it is pH not Ph or PH. The letters stand for potential of Hydrogen so it is important to always use an uppercase H for Hydrogen.

    • MrImmondoProfondo January 25, 2011 at 9:59 am

      Hello there,can someone help me,please?This week i have the exam and i forgot the whole thing about chemistry.Can you tell me please the composition and the structure of the “Jew dust” please?Feel free to answer me on my channel,thank you!

    • TheHorribleGuitarist February 12, 2011 at 10:22 am

      im here cus of a school project
      *sigh*

    • pinkbatas April 23, 2011 at 11:48 am

      are we making soup?

    • xredb May 30, 2011 at 7:34 pm

      While Im here for a chemistry clas presentation

      *sighs*

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