First slide
Extraction of some important metals

Match List – I with List – II

          List – I                 List – II

         a) Mercury            i) Vapour phase refining

         b) Copper             ii) Distillation Refining

         c) Silicon              iii) Electrolytic Refining

         d) Nickel               iv) Zone Refining

         Choose the most appropriate answer from the option given below:


Ni Þ vapour phase refining 

          Si Þ Zone refining 

          Cu Þ Electrolytic refining 

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