Question

What is calcination?

Answer 1

The carbonate ores are changed into oxides by heating strongly in limited air. This is called calcination.

ZnC03 ----heat----> ZnO + CO2

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Answer 2

Answer:

$\text{Process of heating metal ore below}$ $\text{melting point in the absence of air}$

Note - the metal ores used here are carbonate ores and hydroxide ore