Galvanisation is a process of coating iron articles with a layer of zinc to prevent the iron from ru

Question

Galvanisation is a process of coating iron articles with a layer of zinc to prevent the iron from rusting. The iron is protected even if the zinc coating is scratched and iron is exposed. Which of the following is true about how zinc prevents the rusting of iron?\ $(P)$ A galvanised iron article does not undergo oxidation.\ (Q) The zinc coating prevents contact of iron with air.\ (R) Zinc undergoes corrosion more easily than iron.\

Professor PC Thomas Classes · Answer

(d): Only $Q$ and $R$\