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Extraction of E...

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  • Question 1
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    Which of the following factors is of no significance for roasting sulphide ores to the oxides and not subjecting the sulphide ores to carbon reduction directly?

  • Question 2
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    During the process of electrolytic refining of copper, some metals present as impurity settle as 'anode mud' These are

  • Question 3
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    Heating mixture of Cu2O and Cu2S will give

  • Question 4
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    Refining of Iron is done by

  • Question 5
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    Galvanisation means:

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