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What is used to precipitate phosphoric acid in the Magnesia method?

Options

  1. ABarium chloride solution
  2. BAmmonium phosphomolybdate
  3. CSodium peroxide
  4. DMagnesia mixture

Correct answer

D. Magnesia mixture

Step-by-step solution

In the Magnesia method, phosphoric acid is precipitated as MgNH4PO4 by adding a magnesia mixture.

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