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For extraction of which one of the given...

For extraction of which one of the given metals, carbon reduction process is not used ? (i) Fe, (ii) Zn, (iii) Al.

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Al
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Knowledge Check

  • Which of the given reduction processes are correct -

    A
    `Fe_(2)O_(3)+C rarr Fe`
    B
    `ZnO +C rarr Zn`
    C
    `Ca_(3)(PO_(4))_(2)+C rarr P`
    D
    `PbO +C rarr Pb`

  • Temperature range used for the reduction of FeO by overall effect of the given reactions is related to which points shown in the adjacent graph. (i) C+O_(2)rarrCO_(2) (ii) 2C+O_(2)rarr2CO (iii) 2CO+O_(2)rarr2CO_(2)

    A
    point A
    B
    point B
    C
    point D
    D
    point E

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    Which one of the following processes is used for the manufacture of calcium?

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    Which of the following has maximum number of unpaired electrons? (i) Mn^(2+) (ii) Fe^(2+) (iii) Cu^(2+) (iv) Cr .

    What is self-reduction process? Give an example of metal extraction in which this process is used.

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