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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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Define Metallurgy

State the role of silica in the metallurgy of copper.

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

What is the significance of leaching in the extraction of aluminium?

What is the role of cryolite and fluorspar in the extraction of aluminium from pure alumina?

Name of the alloy of aluminium which is used in aeroplane is

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)

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