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A N EXCEL PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-QUESTION BANK
- Which of the following is the ore of zinc?
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- There are servral methods for refining metals. Explain a method for re...
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- Metals are extracted from their ores. Among the following which metal ...
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- Carbonate ores are usually subjected to calcination, while sulphide or...
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- Leaching is a process of concentration of ores. Explain the leaching o...
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- Which of the following is not an Ore of Iron? Haematite,Magnetite,Mala...
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- Explain froth floatation process for the concentration of Ore.
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- During metallurgy, the metal extracted may still contain impurities. D...
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- Name two metals that are refined by distillation.
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- How would you convert crude germanium into ultrapure germanium? Explai...
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- What is the role of limestone (CaCo3) in the extraction of iron?
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- Alumina is mixed with cryolite and subjected to electrolysis to extrac...
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- What is pig iron?
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- What is hydrometallurgy?
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- Explain the method of preparation of copper by hydrometallurgy.
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- Explain the method of refining copper.
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- Copper is a useful metal and is generally extracted from copper pyrite...
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- How is blister copper obtained from copper matte?
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- Why is blister coper called so?
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- Give any two uses of copper.
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