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COMEDK2018ChemistryGeneral Principles and Processes of Isolation of Metals

Which of the following is not an ore of magnesium?

Options

  1. ACarnallite
  2. BDolomite
  3. CCalamine
  4. DSea water

Correct answer

C. Calamine

Step-by-step solution

Carnallite : KCl MgCl ₂ 6 H ₂ O Dolomite: MgCO ₃ CaCO ₃ Calamine : ZnCO ₃ Sea water : ore of magneisum Calamine is not an ore of magnesium.

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