Chemistry experiment 10 – Elephant’s toothpaste






Decomposition of hydrogen peroxide catalyzed by potassium iodide.

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23 thought on “Chemistry experiment 10 – Elephant’s toothpaste”

  1. I bet those bubbles are from a release of hydrogen. Try lighting it on fire to be sure, I wouldn't suspect that the flame would be significant, but the bubbles would probably flash brightly and pop in the presence of the flame.

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