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Iron nails are coated with zinc to prevent rusting. Even if the zinc layer is scratched, rusting does not occur because โ
Zinc acts as a sacrificial anode and corrodes instead of iron.
Zinc reacts with moisture to form a protective film
Iron becomes stainless in the presence of zinc.
Zinc forms a hard oxide layer.
Zinc acts as a sacrificial anode and corrodes instead of iron.
Practice and solve "Iron nails are coated with zinc to prevent rusting. Even if the zinc layer is scratched, rusting doe..." for General Awareness - Previous Year Paper 2025. The correct answer is Option A: Zinc acts as a sacrificial anode and corrodes instead of iron.. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "Iron nails are coated with zinc to prevent rusting. Even if the zinc layer is scratched, rusting doe..." for General Awareness - Previous Year Paper 2025. The correct answer is Option A: Zinc acts as a sacrificial anode and corrodes instead of iron.. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.