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Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsRoasting and Calcination
Medium

The pair that does $Not$ require calcination is

JEE MAIN 2019All JEE MAIN
  • A
    $ZnO$ and $MgO$
  • B
    $ZnO$ and $Fe_2O_3 \cdot xH_2O$
  • C
    $ZnCO_3$ and $CaO$
  • D
    $Fe_2O_3$ and $CaCO_3 \cdot MgCO_3$
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Class 12 Questions

Class 12

Chemistry Questions

Chapter

General Principles and Processes of Isolation of Elements

Subtopic

Roasting and Calcination

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