Test for Cations and Anions in Aqueous Solutions Test for anions in aqueous solutionsWhen a salt is dissolved in water, the free anion will be present in the aqueous solution. Tests can then be carried out to identify the anion. The following shows the various confirmatory tests for carbonate ion, chloride ion, sulphate ion and nitrate ion in aqueous … [Read more...] about Test for Cations and Anions in Aqueous Solutions