Sulphate ions
Few drops of barium chloride - positive = white precipitate
Carbonate ions
Few drops of hydrochloric acid to solution or bubbling gas through limewater - present = fizzing or turns cloudy
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Sulphate ions
Few drops of barium chloride - positive = white precipitate
Carbonate ions
Few drops of hydrochloric acid to solution or bubbling gas through limewater - present = fizzing or turns cloudy
Halide ions
Silver nitrate + nitric acid impurity
Halide ions - chlorine
White precipitate
Halide ions - bromide
Cream precipitate
Halide ions - iodine
Yellow precipitate