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demonstrations:elephants_toothpaste

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Elephant's Toothpaste

Materials: ★★☆ Available in most school laboratories or specialist stores
Difficulty: ★★☆ Can be done by science teachers
Safety: ★★☆ Some safety precautions required to perform safely

Categories: Catalysts, Chemical Reactions, Reaction Rate

Alternative titles: Peroxide Whoosh

Summary

30% Hydrogen peroxide is added to a Potassium Iodide catalyst, detergent and food colouring, and Oxygen bubbles rapidly produce a foam.

Procedure

[Procedure here]

With 3% Hydrogen Peroxide and yeast catalyst: https://www.sciencebuddies.org/stem-activities/elephant-toothpaste
With 30% Hydrogen Peroxide and Potassium Iodide catalyst: https://www.thoughtco.com/elephant-toothpaste-chemistry-demonstration-604250

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Video:

Precautions

[Precautions here]

[Links here]

https://www.google.com

Questions to consider

[Questions to consider here]

Further Investigation

[Things to consider for further investigation here