Question

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

Answer 1

Galvanization

• Applying a protective layer of zinc $\left(\mathrm{Zn}\right)$ to a metal is the process of galvanization.
• It is a technique that is frequently used to stop iron $\left(\mathrm{Fe}\right)$ 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.