Chemistry 5070 · O Level · Identification of ions and gases

Identification of ions and gases — practice question

The table lists the observations obtained after various reagents were added to an aqueous solution of salt Z. What is Z?

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

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