Which metal is electroplated on iron for making 'cans' used for storing food?

Name the process in which a coating of one metal can be deposited on the surface of another metal by using current from a battery.

Name the metal which is usually electroplated on car parts such as bumpers and bicycle handlebars made of steel.

Name two metal objects which have a coating of another metal.

Name the most common application of the chemical effect of electric current.