Question 40

Match List I with List II.
List I      List II
A. Reverberatory furnace      I. Pig iron
B. Electrolytic cell      II. Aluminium
C. Blast furnace      III. Silicon
D. Zone refining furnace      IV. Copper

A. Reverberatory furnace is used for copper smelting (IV)

B. Electrolytic cell (Hall-Heroult process) is used for aluminium extraction (II)

C. Blast furnace is used for pig iron production (I)

D. Zone refining is used for purification of silicon and germanium (III)

Matching: A-IV, B-II, C-I, D-III.

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