This procedure is designed as a demonstration to be performed by a teacher or other qualified person.
Ammonia fountain experiment
This demonstration experiment can be used to illustrate the very high solubility in water of ammonia. Ammonia solution is seen to be alkaline and various indicator colour changes can be demonstrated. A flask, fitted with a glass jet, is filled with dry ammonia. Injecting water into the flask dissolves the ammonia and causes a fountain via the jet.