2. For each of the following cases, predict which ion or ions would be present in the solution if the solution formed:

a) a precipitate when it is added to other solutions containing either iodine ions or sulphate ions. 6 marks
ions present
I odine. Sulphur . oxygen

b) a precipitate when iodine ions are added but no precipitate when sulphate ions are added. 6 marks

c) a precipitate when sulphate ions are added but no precipitate when iodine ions are added.

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