How is extraction of ore of higher reactivity diff from middle ones and why. Also name the processes?
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High reactivity metals,
Metals high up in reactivity series are extracted by electrolytic reduction.
Middle reactivity metals,
While those in the middle are extracted first by converting into oxide and then reducing by carbon. 1 Same method cannot be used because metals have more affinity for oxygen than carbon.
Step1: Roasting for sulphide ores and calcination for carbonate ores.
Step2: Reduction
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