Chemistryhard · Past Paper
The process of zone refining is based on the principle of:
ADifference in boiling points
BDifference in solubility of impurities in molten and solid states
CMagnetic properties
DDensity differences
✓ Correct Answer: B — Difference in solubility of impurities in molten and solid states
Zone refining utilizes the fact that impurities are more soluble in the melt than in the solid state of the metal.
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