Question

Which metal is electroplated on iron to prevent if from rust

Answer 1

For example :Bathroom taps made of iron or steel are electroplated withchromium metal to prevent their corrosion or rusting. It gives a shining appearance to the bathroom taps due to which they look more attractive. The metal objects are usually electroplated with chromium, nickel, silver ,gold orcopper metals.
I hope this answer will help you

Answer 2

Tin is a metal electroplated on iron to prevent it from rust.