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General Principles and Processes of Isolation of Elements — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryGeneral Principles and Processes of Isolation of Elements1 Mark
MCQ
Zone refining is based on the principle that ___________.
  • A
    Impurities of low boiling metals can be separated by distillation.
  • ✓
    Impurities are more soluble in molten metal than in solid metal.
  • C
    Different components of a mixture are differently adsorbed on an adosrbent.
  • D
    Vapours of volatile compound can be decomposed in pure metal.
✓

Answer

Correct option: B.
Impurities are more soluble in molten metal than in solid metal.

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