Pure lead(II) sulfate is prepared by mixing two substances, X and Y. When the reaction is complete the mixture is filtered. Pure lead(II) sulfate is obtained. Which row shows the best way to prepare pure lead(II) sulfate? substance X substance Y method after filtration A aqueous lead(II) nitrate aqueous sodium sulfate crystallise the filtrate B aqueous lead(II) nitrate aqueous sodium sulfate wash and dry the residue C solid lead(II) carbonate dilute sulfuric acid crystallise the filtrate D solid lead(II) carbonate dilute sulfuric acid wash and dry the residue

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