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What is calcination ? Give example....

What is calcination ? Give example.

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The conversion of ore into metal oxide (oxidation) is called calcination. It is the process in which the ore is subjected to the action of heat at high temperature in the absence of air below its melting point. Example
`CaCO_(3) ("limestone") rarr CaO + CO_(2) uarr`
`MgCO_(3) ("Magnesite") rarr MgO + CO_(2)uarr`
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