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The Yellow and Blue Switcheroo - Chemical Demonstration Kit

by Flinn Scientific

Item #: AP8660

Price: $26.80

The Yellow and Blue Switcheroo Chemical Demonstration Kit will have students thinking you are the king or queen of chemistry. If you've never seen or performed an oscillating clock reaction, don't pass this one up; it's fit for a king.

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This item can only be shipped to schools, museums and science centers

Product Details

Your students will think you are the king or queen of chemistry when you do this amazing demonstration. Three colorless solutions are mixed to produce a yellow solution and then suddenly the solution turns blue, then yellow again, etc. The solution will oscillate between yellow and blue for ten minutes. If you've never seen or done an oscillating clock reaction, don't pass this one up; it's fit for a king! Teacher Demonstration Notes included. Enough materials are included to perform the demonstration seven times. Concepts: Oscillating reactions, kinetics. Time Required: 15 minutes Chemicals Provided: Hydrogen peroxide solution, acidified potassium iodate solution and starch-malonic acid-manganese(II) sulfate solution. Note: Perform this demonstration in a fume hood or well-ventilated lab.