Chemistry 0620 · IGCSE · Corrosion of metals

Corrosion of metals — practice question

A setup is shown for an experiment that investigates the effect of galvanising iron. The setup is then left for seven days. What change occurs in the water level in tubes X and Y?

  • Atube X falls; tube Y rises
  • Btube X no change; tube Y no change
  • Ctube X rises; tube Y falls
  • Dtube X rises; tube Y no change

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