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The Floating Tin Sponge - Chemical Demonstration Kit

by Flinn Scientific

Item #: AP4425

Price: $41.30

With the Floating Tin Sponge Oxidation-Reduction Chemical Demonstration Kit, bubbles of hydrogen produced in a reaction float the aggregate tin to the surface like a sponge. Before students' eyes, shiny tin crystals form.

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Product Details

Before your very own eyes, you can actually see the formation of shiny tin crystals. The tin is produced by the addition of zinc to a tin(II) chloride solution. Bubbles of hydrogen produced in the reaction float the aggregate tin to the surface like a sponge. Teacher Demonstration Notes included.Enough materials are included to perform the demonstration seven times. Concepts: Oxidation–reduction, single replacement reactions, electrochemical series, acids, metals. Time Required: 20 minutes Chemicals Provided: Tin(II) chloride solution and zinc.