Traffic Light Reaction - GO-Science Demonstration

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Uploaded by on Oct 2, 2007

Watch this amazing chemical reaction as each shake of a bottle turns the liquid inside all the colors of a traffic light.

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Howto & Style

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Standard YouTube License

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  • lol

  • chemicalconnection[DOT]org.uk/­chemistry/experiments/list.php

    Indigo carmine reaction half way down on right - it has all the reagents and reaction equation

  • wht is the third liquid ? help me guys ! plz be fast ! i need help within half an hr ! :( :\

  • Thank you for the monotone narration and uninformative amounts in the presentation.

  • ice man

  • How many mL and what is the Molarity?

  • That's quite cool. What should the concentrations of the individual solutions be?

  • You have to leave it sit for a while before it changes back to orange. Then you can shake it again. If you keep shaking it, It'll just stay green

  • If you shake it again, will the orange liquid change color again? Or does the color change happen only once?

  • hmm, good :)

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