In the process of Galvanisation, which metal is coated over iron?

In the process of Galvanisation, which metal is coated over iron? Correct Answer Zinc

The correct answer is option 4, i.e. Zinc.

  • In the process of Galvanisation, Zinc is coated over iron. 
  • Zinc is coated over iron to protect the latter from rusting.
  • The most common way of galvanizing iron is dipping it in the hot molten zinc.
  • When iron comes in contact with air and moisture, rust forms over it and eats away the metal.
  • Rust is hydrated iron oxide with the chemical formula Fe2O3. nH2O.
  • When Zinc gets coated over the iron it protects iron from coming in contact with air and moisture.

Related Questions

Two iron cans are taken. One of them is coated with zinc and the second one is coated with tin. A scratch is made on the coating of both the cans and the cans are kept in open air for some days. In which case the iron can will get rusted?