Chemistry 5070 · O Level · Preparation of salts

Preparation of salts — practice question

In a school laboratory, which two reagents are used to prepare a sample of pure barium sulfate?

  • Abarium carbonate and dilute sulfuric acid
  • Bbarium carbonate and sodium sulfate
  • Cbarium chloride and sodium sulfate
  • Dbarium hydroxide and concentrated sulfuric acid

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