Metallurgy process identification: Name the process where metal is obtained in a fused (molten) state. Context: Extraction step that yields molten metal from its ore or intermediate. Choose the correct term.

Q: Metallurgy process identification: Name the process where metal is obtained in a fused (molten) state. Context: Extraction step that yields molten metal from its ore or intermediate. Choose the correct term.

Definitions Calcination: heating in absence of air to remove volatiles. Roasting: heating in presence of O2 to convert sulfides/impurities. Smelting: extraction of metal in molten/fused state, often with reducing agents/flux. Final Answer Smelting.

Difficulty: Easy

Roasting
Calcination
Smelting
Leaching

Correct Answer: Smelting

Explanation:

Definitions

Calcination: heating in absence of air to remove volatiles.
Roasting: heating in presence of O₂ to convert sulfides/impurities.
Smelting: extraction of metal in molten/fused state, often with reducing agents/flux.

Final Answer
Smelting.

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