Question

what is calcination​

Answer 1

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The IUPAC defines calcination as "heating to high temperatures in air or oxygen". However, calcination is also used to mean a thermal treatment process in the absence or limited supply of air or oxygen applied to ores and other solid materials to bring about a thermal decomposition.

Answer 2

Answer:

Calcination is the process in which carbonate ores are heated in the absence of oxygen to convert them into oxide form.