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Among the following metals how many meta...

Among the following metals how many metals are extracted by self-reduction method from their respective ores. (Give total number ).Hg , Zn, Cu, Al, Mg , Pb, Fe, Sn

Text Solution

Verified by Experts

The correct Answer is:
C
`2HgS+3O_(2) to 2HgO+2SO_(2),2HgO+HgS to 3Hg+SO_(2)`
`Cu_(2)S+3O_(2)to 3CuO+2SO_(2),2CuO+Cu_(2)Sto 6Cu+SO_(2)`
`2PbS +3SO_(2) to 2PbO+2SO_(2),`
`2PbP+PbS to 3Pb+SO_(3)`
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Knowledge Check

  • Which of the following metals is extracted by self reduction method from its sulphade ore?

    A
    Fe
    B
    Cu
    C
    Mg
    D
    Sn

  • Which of the following metal (s) is /are commercially extracted by self reduction method from their correspoindign ore ?

    A
    Cu
    B
    Fe
    C
    Pb
    D
    Hg

  • Which of the following metals are extracted from its ore by using self-reduction method ?

    A
    Copper
    B
    Mercury
    C
    Lead
    D
    Silver

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    Which of the following metals are extracted from its ore by using self-reduction method ?

    Which of the following metals can be extracted by both self-reduction and cabon reduction methods?

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