Match list-I with list-II :
Question:

Match list-I with list-II :

Choose the most appropriate answer from the option given below :

  1. $a-i, b-i v, c-i i, d-i i i$

  2. a-ii, b-iii, c $-\mathrm{i}, \mathrm{d}-\mathrm{iv}$

  3. $a-i i, b-i i i, c-i v, d-i$

  4. $a-i i, b-i v, c-i i i, d-i$


Correct Option: , 3

Solution:

(a) Mercury $\rightarrow$ Distillation refining

(b) Copper $\rightarrow$ Electrolytic refining

(c) Silicon $\rightarrow$ Zone refining

(d) Nickel $\rightarrow$ Vapour phase refining

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