Chemistry 0620 · IGCSE · Identification of ions and gases

Identification of ions and gases — practice question

The outcomes from two tests carried out on solid X are shown below. Test: aqueous sodium hydroxide added → observation: a green precipitate was produced. Test: acidified silver nitrate added → observation: a yellow precipitate was produced. What is X?

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

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI