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JEE Main2015ChemistryGeneral Principles and Processes of Isolation of MetalsActual

In the isolation of metals, calcination process usually results in:

Options

  1. AMetal oxide
  2. BMetal carbonate
  3. CMetal sulphide
  4. DMetal hydroxide

Correct answer

A. Metal oxide

Step-by-step solution

Calcination is used for decomposition of metal carbonates. M C O 3   → ∆ M O + C O 2 ↑

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