To electroplate an article with nickel requires an (i) ........... which must be a solution containing (ii) ............. ions. The article to be plated is placed as the (iii) .............. of the cell in which the plating is carried out. The (iv) ............... of the cell is made from pure nickel. The ions which are attracted to the negative electrode and discharged are called (v) ............. 25. (i) ...........   26. (ii) .............   27. (iii) ..............   28. (iv) ...............   29. (v) .............