Chemistry 0620 · IGCSE · Identification of ions and gases

Identification of ions and gases — practice question

The outcomes of two tests carried out on an aqueous solution of X are given below. Test: aqueous sodium hydroxide added – a green precipitate formed. Test: acidified aqueous silver nitrate added – a yellow precipitate formed. What is X?

  • Acopper(II) chloride
  • Bcopper(II) iodide
  • Ciron(II) chloride
  • Diron(II) iodide

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