Question

what is calcination.?​

Answer 1

Answer:

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The process of heating a substance to a high temperature but below the melting or fusing point, causing loss of moisture, reduction or oxidation, and dissociation into simpler substances.

Answer 2

Answer:

Calcination is a process of heating ore in the absence of air to a high temperature but insufficient to melt the ore. Generally, carbonates and hydrated ores are calcined.

Example: ZnCO3 → ZnO + CO2.