Description: A multiple ammonia fountain is made by filling several flasks in series with ammonia gas. A few drops of water is added to the first flask, dissolving the ammonia. This creates a vacuum that draws in liquid from below. The liquid contains universal indicator, which changes color as more ammonia is dissolved into it.

This demonstration is also available on video and JCE "Chemistry Comes Alive!" Vol. 2 CD-Rom.

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Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry

Year or vol: 3 page: 92

Keywords: Fountain Effect, Multiple, Ammonia Fountain, Gases, Solubility Of, Solubility Of Gases