Milk of Magnesia Experiment – Color Changing Liquid Teaches Science Behind Antacids
If you’ve ever wondered how those antacids really work inside your stomach, the Milk of Magnesia demo is easy to perform and really illustrates the concept of pH change and the buffering power of magnesium hydroxide. I first saw the demonstration performed by Sue Ann Berger during a Flinn Morning of Chemistry many years ago. She originally called the demonstration M.O.M. to the Rescue, and the audience reaction from her standing room only crowd was fantastic. The Milk of Magnesia demo is a favorite among chemistry teachers because of the visual way it teaches the buffering action of magnesium hydroxide. I recently shared this cool science demo on 9News.
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