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Name:(a) the processes involved in(i) concentration(ii) refining of ores(b) two metallic oxides which cannot be reduced by carbon, carbon monoxide or hydrogen |
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Answer» (a) The processes involved in (i) Processes involved in concentration are: 1. Hydrolytic method 2. Magnetic Separation 3. Froth floatation 4. Leaching (ii) Processes involved in Refining of ores are: 1. Distillation 2. Liquation 3. Oxidation 4. Electro- refining (b) Potassium and sodium oxides cannot be reduced by carbon, carbon monoxide and hydrogen |
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