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In extractive metallurgy of zinc, parti...

In extractive metallurgy of zinc, partial fusion of `ZnO` with coke is called ____ and reduction of the ore to moleten metal is called ______(smelting, calcining, roasting, sintering).

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Sintering, smelting
In ectractive metallurgy of zinc, partial fusion of `ZnO` with coke is called sintering and reducing of the ore the molten metal is called smelting.
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