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Question

What is galvanized iron? How is galvanized iron protected from rust?


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Solution

Galvanization

  • Applying a protective layer of zinc Zn to a metal is the process of galvanization.
  • It is a technique that is frequently used to stop iron Fe from rusting.
  • The most popular technique involves immersing the elements in a bath of hot, molten zinc.

Galvanized protect iron from rust

  • The iron immersed in a bath oh hot molten zinc.
  • It creates a shield that keeps corrosive elements from getting to the underlying iron.
  • The zinc acts as a sacrificial anode, protecting the exposed steel even if the coating is scraped by the leftover zinc.
  • Zinc corrodes before iron, protecting its base metal.
  • An adhering, dense patina that is insoluble in rainfall is created when the atmosphere and the zinc surface interact.
  • Which protect iron metal from rusting.

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