Chemistry 0620 · IGCSE · Identification of ions and gases

Identification of ions and gases — practice question

Which row gives the observation when a few drops of aqueous P are added to concentrated aqueous Q?

  • AP: acidified potassium manganate(VII); Q: sodium sulfite; observation: purple solution
  • BP: sodium hydroxide; Q: zinc chloride; observation: white precipitate
  • CP: ammonia; Q: potassium carbonate; observation: fizzing
  • DP: barium chloride; Q: iron(III) sulfate; observation: brown precipitate

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