Chemical Effects of Electric Current

Fill in the blanks
(a) The object to be electroplated is taken as ____________
electrode.
(b) One of the most common applications of chemical effect of
electric current is ______________.
(c) Small amount of a mineral salt present naturally in water
makes it a______________ of electricity.
(d) Electroplating of ______________ is done on objects like water
taps and cycle bell to give them a shiny appearance.