Chemistry 0620 · IGCSE · Preparation of salts

Preparation of salts — practice question

A few general rules about the solubility of salts in water are given below. Carbonates do not dissolve in water (apart from ammonium carbonate, potassium carbonate and sodium carbonate). Chlorides dissolve in water (apart from lead(II) chloride and silver chloride). Nitrates dissolve in water. Sulfates dissolve in water (apart from barium sulfate, calcium sulfate and lead(II) sulfate). Which substances will form an insoluble salt when their aqueous solutions are mixed together?

  • Abarium chloride and magnesium nitrate
  • Bcalcium chloride and ammonium nitrate
  • Csilver nitrate and zinc chloride
  • Dsodium carbonate and potassium sulfate

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