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Vanishing Valentine - Chemical Demonstration Kit

by Flinn Scientific

Item #: AP5929

Price: $19.40

The Vanishing Valentine Chemical Demonstration Kit is a lovely approach to introduce students to oxidation-reduction reactions. Students watch their Valentine vanish and then reappear with this favorite holiday demonstration.

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

Product Details

Watch your valentine vanish and then reappear with this favorite holiday demonstration! Simply shake a flask containing a colorless solution to introduce oxygen. The solution will change to a bright pink valentine color. Then allow the solution to sit undisturbed and observe as the solution fades back to colorless. The oxidation-reduction cycle can be repeated many times. Teacher Demonstration Notes included.Enough materials are included to perform this demonstration seven times. Concepts: Oxidation-reduction, indicators. Time Required: 15 minutes Chemicals Provided: Dextrose solution, sodium hydroxide solution, and resazurin solution.