Which of the following is an application of electrolysis?
Fuel cell
Daniel cell
Electroplating
Zone refining of metals
Electroplating works on the principle of electrolysis.
Four metals and their methods of refinement are given :
(i) Ni,Cu,Zr,Ga
(ii) Electrolysis, van Arkel process, Zone refining, Monds process
Choose the right method for each metal.