Cambridge IGCSE Chemistry · Syllabus 0620 · Acids, Bases and Salts
Precipitation
What is Precipitation?
The formation of an insoluble solid when two aqueous solutions are mixed, because the ions of the insoluble salt cannot remain dissolved together. The solid is separated by filtration as the residue, then washed with distilled water and dried.
This definition is part of the Acids, Bases and Salts chapter in Cambridge IGCSE Chemistry.