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General Principles of Isolation of Elements

Previous year questions with solutions · 2024 – 2026

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Ques. 1JEE Main 2024, 29 January (Morning Shift)

Identify the incorrect pair from the following :

  1. Fluoroapatite -3Ca3(PO4)2 CaF2
  2. Carnallite -KCl MgCl2 6H2O
  3. Cryolite -Na3AlF6
  4. Fluorspar -BF3