Chemistry 5070 · O Level · Identification of ions and gases

Identification of ions and gases — practice question

Insoluble salts are made by mixing aqueous solutions of soluble salts, causing a precipitate to appear. Which pairs of aqueous solutions produce a precipitate? 1. barium chloride and nitric acid 2. barium chloride and sulfuric acid 3. barium nitrate and nitric acid 4. barium nitrate and sulfuric acid

  • A1 and 2
  • B1 and 3
  • C2 and 4
  • D3 and 4

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