Question

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

Answer 1

The correct option is B Impurities are more soluble in molten metal than in solid metal

Impurities are more soluble in the molten metal than in the solid metal.