1) Carbonate ion test
Observation: Bubbles observed. Test for gas. When gas bubbled in limewater, white ppt formed in limewater.
2) Sulfate ion test
Observation: White ppt formed (barium sulfate)
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3) Chloride ion test
Observation: White ppt formed. (silver chloride)
4) Iodide ion test
Observation: yellow ppt formed. (silver iodide)
5) Nitrate ion test
Observation: Pungent gas evolved turned red litmus paper blue. Ammonia gas produced.
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