When ore is heated generally in absence of air then process is called ........

General Science (Easy) Chemistry

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When ore is heated generally in absence of air then process is called-

smelting

roasting

calcinations

none

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Explanation:

The concentrated ore is heated in absence of air to remove water or moisture from a hydrated oxide and CO2 from a carbonate ore at a temperature below their melting point. This process is called Calcination and is generally carried out in a reverberatory furnace. Hence, the given statement is true.