Chemistry 0620 · IGCSE · Corrosion of metals

Corrosion of metals — practice question

Which compound is produced when iron rusts?

  • Aanhydrous iron(II) oxide
  • Banhydrous iron(III) oxide
  • Chydrated iron(III) hydroxide
  • Dhydrated iron(III) oxide

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