Chemistry · May / June 2022 · Paper 11 · Question 28
A pure sample of lead sulfate is made by reacting aqueous solutions of two salts. The lead sulfate formed is then separated from the mixture. Which solutions and method of separation are used?
- Alead chloride; sodium sulfate; crystallisation
- Blead chloride; sodium sulfate; filtration
- Clead nitrate; potassium sulfate; crystallisation
- Dlead nitrate; potassium sulfate; filtration
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Correct answer: D. lead nitrate; potassium sulfate; filtration
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