PDF chapter test TRY NOW

Fill in the blanks:
 
(i). The object to be electroplated is taken as
 electrode.
(ii). One of the most common applications of chemical effect of electric current is
.
(iii). Small amount of a mineral salt present naturally in water makes it a
 of electricity.
(iv). Electroplating of 
 is done on objects like water taps and cycle bell to give them a shiny appearance.
Answer variants:
negative
positive
electroplating
copper
good conductor
silver
poor conductor
iron
chromium