Home Chemistry General Principles and Processes of Isolation of Elements ( Not In Syllabus ) General Zone refining is based on the principle that…
Chemistry General Principles and Processes of Isolation of Elements ( Not In Syllabus ) General Single Correct MCQ
Published on: August 13, 2026

Zone refining is based on the principle that _______.

A
Impurities of low boiling metals can be separated by distillation.
B
Impurities are more soluble in molten metal than in solid metal
C
Different components of a mixture are differently adsorbed on an adsorbent.
D
Vapours of volatile compound can be decomposed in pure metal

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Text Solution

Verified by Experts
The correct answer is:
B

: When molten solution of impure metal is allowed to cool, the impurities remain preferentially dissolved in the melt and pure metal will emerge in the solid phase.

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