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Cryolite in the metallurgy of aluminium....

Cryolite in the metallurgy of aluminium.

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Although thermodynamically feasible, in parctice, magnesium metal is not use for the reduction of alumina in the metallurgy of aluminium. Why?

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Knowledge Check

  • Which of the following statements related to the metallurgy of iron are correct -

    A
    coke reduces `FeO` to `Fe` at temperatures above 1073K
    B
    CO reduces `Fe_(2)O_(3)` to FeO below 1073 K
    C
    coke reduces `FeO` to Fe at temperature below 1073 K
    D
    CO reduces `Fe_(2)O_(3)` to Fe at temperature above 1073 K
  • Name of the alloy of aluminium which is used in aeroplane is

    A
    duralumin
    B
    bell metal
    C
    `gamma`-alloy (gamma alloy)
    D
    aluminium bronze
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    What is the ratio of radius of aluminium-27 nucleus to that of a proton ?

    Density of aluminium is 2700 kg/ m^(3) . Find the relative density of aluminium given that density of water =10^(3)kg//m^(3)