Question

What is galvanized iron? How is iron galvanised? What is the advantage of galvanised iron? How does galvanized iron get its name? State its two uses.

Answer 1

1. Iron coated by a thin layer of zinc is called galvanised iron.

2. Iron is galvanised using a process called galvanisation in which molten Zinc is poured over iron.

3. Galvanised iron prevents corrosion.

4. Term comes after the name of Italian Scientist Luigi Galvani.

5. Uses:
(a) Iron water pipes are galvanised to prevent rusting.
(b) Steel is galvanised to increase the life of aplliance.