Carbonate + Sulfate - Anions

Question 1

Method for
Sulfate Ions

Answer 1

1) add HCl to remove impurities
2) add Barium Chloride
3) white ppt. if sulfate present - if not nothing

Question 2

Method for
Carbonate Ions

Answer 2

1) Carbonate react with acids to produce C02
2) therefore react with acid
3) then bubble resulatant gas through limewater - will go cloudy if C02 present