What is electroplating?

Which effect of current is used in electroplating?

A layer of chromium metal 0.25 mm thick is to be plated on an auto bumper with a total area of 032 m^2 from a solution cantaining CrO_4^(2-) ? What current flow is required for this electroplating if the bumper is to be plated in 60s ? The density of chromium metal is 7.20g/ cm^3

What is electrophoresis ? What is its significance ?

What is electric energy ? what is its SI unit?

What is electric energy? what is its SI unit?

Prepare a list of objects around you that are electroplated.