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Anion Tests - Coggle Diagram

- - - - Pass the gas through limewater
        
        CaCO3 precipitate?
        
        No
        
        Try again :)
        
        Yes
        
        Carbonate Ions are present
    - - Add barium chloride or a nitrate solution
        
        Barium sulfate precipitate?
        
        Yes
        
        Sulfate ions are present
        
        No
        
        Mix with acidified silver nitrate
        
        White Precipitate
        
        Bromine Ion present
        
        Cream Precipitate
        
        Iodine Ion present
        
        Yellow Precipitate
        
        Chlorine Ion present