The process of zone refining is used in the purification of ___.

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Solution

The correct option is A Si
Zone refining is a method of purifying a crystalline solid, typically a semiconductor like Si, Ge, Ga by causing a narrow molten zone to travel slowly along an otherwise solid rod or bar to one end, at which impurities become concentrated.

Suggest Corrections

List-I	List-II
A. Mond’s process	1. Purification of Ag containing Pb
B. Van Arkel method	2. Purification of Ge
C. Cupellation	3. Purification of Nickel
D. Zone refining	4. Purification of Titanium