Uploaded July 2015 | Updated September 2026, 2 weeks ago
Solutions containing ammonium ions are typically colourless in colour.
To test for the presence of ammonium ions in solution, you may use the sodium hydroxide test.
Sodium Hydroxide Test - To a sample of your solution, add an equal volume of sodium hydroxide solution. No visible observations can be made. Upon heating, a pungent gas is evolved, which turns moist red litmus paper blue.
Solutions containing ammonium ions are typically colourless in colour.
To test for the presence of ammonium ions in solution, you may use the sodium hydroxide test.
Sodium Hydroxide Test - To a sample of your solution, add an equal volume of sodium hydroxide solution. No visible observations can be made. Upon heating, a pungent gas is evolved, which turns moist red litmus paper blue.










