Match the method used for extracting of metals given in column 2 with the method given in column1.
column1--a. reduction with carbon, b. electrolytic reduction , c. reduction with aluminium.
column2--1.Al, 2.Zn ,3.Na 4.Mn

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Solution

1. Reduction by Carbon - Zinc
Reduction by Electrolytic Reduction - Aluminium and Sodium
Reduction by Aluminium - Manganese

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Column-I (Metal to be extracted)	Column-II (Method used for reduction of oxide)
(A) Iron or Zinc	(i) Reduction with aluminium
(B) Manganese or Chromium	(ii) Reduction with Carbon
(C) Mercury	(iii) Electrolytic reduction
(D) Aluminium	(iv) Reduction of heating alone

Column I	Column II
A. Self reduction	P. Lead
B. Carbon reduction	Q. Silver
C. Complex formation and displacement by metal	R. Copper
D. Electrolytic reduction	S. Sodium

	Column I		Column II
(A)	Metals used as semiconductors	(i)	Aluminium
(B)	Electrolytic reduction	(ii)	Zone refining
(C)	Cyanide process	(iii)	Dressing of $Z n S$
(D)	Froth floatation process	(iv)	Extraction of $A g$

C o l u m n I

C o l u m n I I

\begin{matrix} C o l u m n I & C o l u m n I I A . & S e l f - r e d u c t i o n & p . & L e a d B . & C a r b o n r e d u c t i o n & q . & S i l v e r C . & C o m p l e x f o r m a t i o n a n d d i s p l a c e m e n t b y m e t a l & r . & C o p p e r D . & D e c o m p o s i t i o n o f i o d i d e & s . & B o r o n \end{matrix}

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