During which of the following processes is an | vedclass

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(D) Both $Roasting$ and $Calcination$ are metallurgical processes used to convert ores into their respective metal oxides. $Roasting$ involves heating

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Both $A$ and $B$

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(D) Both $Roasting$ and $Calcination$ are metallurgical processes used to convert ores into their respective metal oxides. $Roasting$ involves heating the ore in the presence of excess air (usually for sulfide ores). $Calcination$ involves heating the ore in the absence or limited supply of air (usually for carbonate or hydrated ores). Therefore,both processes result in the formation of metal oxides.

During which of the following processes is an ore converted into its oxide?

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