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(a) Name an ore of zinc. (b) which process is applied to concentrate it? (c) How is concentrated ore changes to oxide? |
Answer» (a) Ore of zinc is zinc blende (ZnS). (b) It is concentrated by Froth floatation process. (c) Concentrated ore is changed into oxide by heating ZnS in excess of air. 2ZnS + 3O2 + 800 °C → 2ZnO + 2SO2 |
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