Question : The process of depositing a layer of zinc on iron is called:
Option 1: galvanisation
Option 2: filtration
Option 3: sedimentation
Option 4: crystallisation
Correct Answer: galvanisation
Solution : The correct option is galvanisation.
The process of depositing a layer of zinc on iron is called galvanisation. It is a method of protecting iron or steel from corrosion by applying a protective coating of zinc. This process helps prevent rusting and extends the lifespan of the iron or steel material.