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In extractive metallurgy of zinc partial fusion of ZnO with coke is called ...... and reduction of the ore to the molten metal is called ......

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

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In extractive metallurgy of zinc partial fusion of ZnO with coke is called sintering and reduction of the ore to the molten metal is called smelting.

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