A solid mixture produces pungent alkaline fumes on heating with calcium hydroxide. The solid also gives a violet flame test result. The solid does not react with acid but does react with silver nitrate to produce a yellow precipitate. The mixture does not react with barium nitrate solution. What IONS does this suggest are present?
ammonium, potassium, iodide
potassium, calcium, sulfate
potassium, sodium, chloride, sulfate
ammonium, potassium, chloride, sulfate
ammonium, sodium, nitrate, sulfate
ammonium, iodide, chloride
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