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In the metallurgy of Zinc, the Zine dust...

In the metallurgy of Zinc, the Zine dust obtained from roasting and reduction of ZnS contains same It is removed by

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Knowledge Check

  • In the metallurgy of copper blister copper is obtained from

    A
    Blast furnace
    B
    Reverberatory furnace
    C
    Bessemer converter
    D
    Electrolytic tank

  • Copper is the most moble of first row transition meals and occurs in small deposits in several countries ares of copper include chalcanthite (CuSO_(4)5H_(2)O) , afecamie (CuCHOH)_(3)) , cuprite (Cu_(2)O) Copper glance (Cu_(2)S) and rolachite (Cu_(2)(OH)_(2)CO_(3)) . However, 80% of the world copper production comes from the ore chalcopyrite (CuFeS_(2)) . The extraction of copper from chalopyrite in polves partial roasting, removal of Iron self-reduction. Iron is removed from chalcopyrite as

    A
    FeO
    B
    `FeS`
    C
    `Fe_(2)O_(3)`
    D
    `FeSiO_(3)`

  • In the eextraction of copper from its sulphide ore, th metal is finally obtained by the reduction of cuprous oxide with

    A
    Copperf (1) sulphide `(CU_(2) S)`
    B
    Carbon monoxide (CO)
    C
    Iron sulphide (FeS)
    D
    Sulphur dioxide `(SO_(2))`

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    Mention the ores of zinc and give their formulae. How is zinc dust obtained from zinc blende ?

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    The balance point in metre bridge experiment is obtained at 30 cm from the left. If the right gap contains 3.5Omega what is the resistance in the left gap ?

    The chief ore of Zinc, on roasting gave a compound A, which on reduction by carbon, gives B. Identify A and B, give the chemical reactions.

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