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प्रश्न
Which one of the following reaction represents calcinations?
विकल्प
\[\ce{2Zn + O2 -> 2ZnO}\]
\[\ce{2ZnS + 3O2 -> 2ZnO + 2SO2}\]
\[\ce{MgCO3 -> MgO + CO2}\]
Both \[\ce{2Zn + O2 -> 2ZnO}\] and \[\ce{MgCO3 -> MgO + CO2}\]
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उत्तर
\[\ce{MgCO3 -> MgO + CO2}\]
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