A SOLUBILISED SUBSTANCE may __ from it solution if a NON SOLVENT for the SUBSTANCE is ADDED to the solution. 1 Alcoholic solution of Resins + water = precipitated Resins 2 Gum + water + talc = gum ppt 3 Aqueous dispersion of Hydrophillic colloids (polysaccharide mucilage + high conc. of Alcohol or salts = Precipitated colloids. But significant amount are tolerated if well diluted and added in small amount with vigorous stirring