X and Y are two salt solutions that are tested. The results are shown in the table. What are X and Y?
- AX: iron(II) chloride; Y: iron(III) sulfate
- BX: iron(III) chloride; Y: iron(III) sulfate
- CX: iron(II) sulfate; Y: iron(III) chloride
- DX: iron(III) sulfate; Y: iron(III) chloride