Chemistry 0620 · IGCSE · Electrolysis

Electrolysis — practice question

What does electrolysis mean?

  • Athe formation of a positive ion by the removal of electrons using an electric current
  • Bthe decomposition of an ionic compound, when molten or in aqueous solution, by the passage of an electric current
  • Cthe substance containing ions through which an electric current can pass
  • Dthe coating of a metal with a different metal by passing an electric current through an aqueous solution of an ionic salt

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