Chemistry - General Principles and Processes of Isolation of Metals Question with Solution | TestHub

The process of conversion of a concentrated ore into its oxide by heating in absence of or in limited supply of air is called calcination. It is usually done for hydroxide, hydrated oxides and carbonate ores.

${\mathrm{MgCO}}_3\stackrel{\mathrm{\Delta }}{⟶}\mathrm{MgO}+{\mathrm{CO}}_2\left(\mathrm{g}\right)$