5.2K views · 147 reactions | The reaction resembles a volcanic eruption In this experiment, a small pile of orange ammonium dichromate (NH4)2Cr2O7 is ignited and exothermic reaction starts. #Science #chemistry #facts | ChemClub | Facebook

13K views · 156 reactions | What makes hydrogen peroxide explode in this elephant’s toothpaste experiment? Museum Educator Jeannine explains how potassium iodine acts as a catalyst to cause hydrogen peroxide to break down faster into water and oxygen gas in an exothermic reaction, producing heat, as well as a foamy explosion thanks to the addition of soap! #Chemistry #STEMEducation #ScienceExperiment #Science #WomenInSTEM | Museum of Science, Boston | Facebook