Wednesday, November 2, 2011

Color Change Tricks

MATERIALS :
  • Test tube
  • Borax
  • Water
  • Phenolphthalein
  • Glycerine Or Sugar solution
PROCEDURE :
  • Take a test tube, fill borax and water mixture to the half  of the test tube.
  • Add 2 drops of phenolphthalein.
  • The solution change into pinkish red color.
  • Add 2 drops of glycerine the color will disappear.
  • Again heat the test tube the color will appear.

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