Class 12 Chemistry General Principles and Processes of Isolation of Elements Refining of crude Metal

Easy

$Si$ and $Ge$ used for semiconductors are required to be of high purity and hence purified by:

A
zone-refining
B
electrorefining
C
Van-Arkel's process
D
cupellation process

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

General Principles and Processes of Isolation of Elements

Subtopic

Refining of crude Metal

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