Chemistry 0620 · IGCSE · Separation and purification

Separation and purification — practice question

What substances may be used to produce pure crystals of sodium sulfate?

  • Apotassium sulfate and sodium hydroxide
  • Bsodium carbonate and sulfuric acid
  • Csodium nitrate and magnesium sulfate
  • Dsulfuric acid and sodium chloride

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