Chemistry 0620 · IGCSE · Corrosion of metals

Corrosion of metals — practice question

Four iron nails were each wrapped with a different metal. The nails were put into an open dish of water and left for one week. Which iron nail is unprotected from rusting?

    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