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NEETChemistryGeneral Principles and Processes of Isolation of Metals

What happens to the sodium aluminate after passing CO 2 gas during leaching?

Options

  1. AIt precipitates as Al 2 O 3 .xH 2 O(s)
  2. BIt dissolves in the solution
  3. CIt remains in solution unchanged
  4. DIt forms sodium carbonate

Correct answer

A. It precipitates as Al 2 O 3 .xH 2 O(s)

Step-by-step solution

Passing CO 2 gas causes the sodium aluminate to precipitate as Al 2 O 3 .xH 2 O(s).

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