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AP EAMCET202523 May 2025Morning ShiftChemistryGeneral Principles and Processes of Isolation of MetalsActual

Consider the following: Statement-I : In the extraction of Al by Hall-Heroult process, pure Al ₂ O ₃ mixed with Na ₃ ~AlF ₆ lowers its melting point and increases conductivity. Statement-II : Zirconium metal is purified by zone refining method. The correct answer is

Options

  1. ABoth statement-I and statement-II are correct
  2. BBoth statement-I and statement-II are not correct
  3. CStatement-I is correct, but statement-II is not correct
  4. DStatement-I is not correct, but statement-II is correct

Correct answer

C. Statement-I is correct, but statement-II is not correct

Step-by-step solution

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