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CBSE Class 10 Answered

what is calcination?
Asked by morev1725 | 06 Sep, 2020, 05:57: PM
Expert Answer

Calcination - It is the process of converting an ore into its oxide by heating strongly, below its melting point either in a limited supply or in absence of air. This method is commonly used for converting carbonates and hydroxides to their respective oxides. During calcination, moisture and volatile impurities are also removed.
 
For example: Calcium carbonate is converted into calcium oxide by calcination.
 
begin mathsize 12px style CaCO subscript 3 space rightwards arrow with Heat on top space CaO space plus space CO subscript 2 end style

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