The Chemical Kidney Chemical Demonstration Kit provides students with a visual approach to learning how chemicals react inside the kidney. Mix water with solutions like red wine and lemonade to produce a distinctly yellow final solution.
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Mix water from a large beaker back and forth into five other beakers. Your students will observe a variety of color changes. Solutions looking like red wine, lemonade, grape juice and others are produced with the final solution being a distinct yellow. Teacher Demonstration Notes included.Enough materials are included to perform the demonstration seven times.Concepts: Complex ions, formation of precipitates. Time Required: 20 minutes Chemicals Provided: Iron(III) chloride solution, ammonium thiocyanate solution, tannic acid solution, and oxalic acid solution.