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Explain Given Equation, What Happens When Znco3 Is Heated in the Absence of Air? - CBSE Class 10 - Science

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Question

Explain given equation, what happens when ZnCO3 is heated in the absence of air?

Solution

When zinc carbonate is heated in the absence of air, it is converted to zinc oxide with the evolution of carbon dioxide gas. This is one of the methods used to convert concentrated metal carbonates to metal oxides during extraction of metals. This method is called calcination. The given zinc carbonate is nothing but calamine ore of zinc, which gets converted to zinc oxide on calcination.

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Solution Explain Given Equation, What Happens When Znco3 Is Heated in the Absence of Air? Concept: Occurrence of Metals - Extraction of Metals.
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