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Processes of Isolation of Elements Quiz-2

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10 Question

Popular Questions In Processes of Isolation of Elements Quiz-2

  • Cupellation process is used in the metallurgy of

  • The method used for refining of iron is called

  • The most convenient method for the extraction of silver from silver glance is

  • Carbon cannot reduce Fe2O3Fe_2O_3 to Fe at a temperature below 983 K because

  • Copper metal is refined by

  • 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?

  • The process of extracting metals by electrolysis of their oxides; hydroxides or chlorides in the fused state is called

  • According to Ellingham's diagram, the oxidation reaction of carbon to carbon monoxide may be used to reduce which one of the following oxides at the lowest temperature?

  • The reduction of zinc oxide with coke occurs at temperature.

  • ΔG\Delta G^\circ vs T plot in the Ellingham’s diagram slopes downward for the reaction