The process of extracting a metal by heating its oxide ore with a reducing agent is called:

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Smelting involves heating a metal oxide ore (roasted or calcined) with a reducing agent like coke (carbon) or CO to obtain the metal in the molten state. Example: Fe₂O₃ + 3CO → 2Fe + 3CO₂ in blast furnace. Calcination: heating carbonate/ hydroxide ore in absence of air. Roasting: heating sulfide ore in excess air. Leaching: chemical dissolution of ore. Smelting is a key pyrometallurgical step.

The process of extracting a metal by heating its oxide ore with a reducing agent is called: MCQ with Answer and Explanation

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