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Chemistry · Oct / Nov 2021 · Paper 12 · Question 24

5070Preparation of salts

Which methods could be used to make a pure sample of copper(II) sulfate?

  1. A1 and 2 only
  2. B1 and 3 only
  3. C1, 2 and 3
  4. D1, 2 and 4

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Correct answer: A. 1 and 2 only

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