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:

• A

  a – ii, b – iv, c – iii, d – i  

• B

  a – i, b – iv, c – ii, d – iii

• C

  a – ii, b – iii, c – I, d – iv

• D

  a – ii, b – iii, c – iv, d – i