experiments. (a) Z?nc metal is added to aqueous sodium triiodide (b) lodine is added to excess aqueous HCIO, Why is permanganate not a suitable oxidizing agent for quantitative estimation of Fe" in presence of HCI? (10) Describe the magnetic separation process. (41) At 673K, which is the better reducing agent Carbon or carbon monoxide? (12) Explain the working of froth floatation process (13) Explain the terms G1) Roasting Gv) Calcination (0) Leaching G) Smelting

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