The slag formed in blast furnace is
CaO
CaCO3
CaSiO3
FeO
The technique very useful for low boiling metals like Zinc and Mercury is
Distillation
Smelting
Liquation
Concentration
The reduction of Iron oxides takes place in different temperature ranges. It is carried out in
Open Hearth process
Blast furnace
Electrolytic cell
Bessemer convertor
Different compound of a mixture are differently adsorbed on an adsorbant.This principle is based on
Zone refining
Vapour phase refining
Chromato graphic method
Electrolytic refining
The technique very useful in the refining of low melting metal like tin is
Which scrap is more suitable for reducing the leached copper ore?
Iron
Both Fe and Zn
Zinc
none of these
In the metallurgy of aluminium, purified Al2O3 is mixed with
CaF2
Aluminium silicate
Na3AlF6
Carbon
Melting pig iron with scrap iron and coke is called
Wrought iron
Spongy iron
Cast iron
Steel
In the reduction of molten metal salt, _____ is done .
Pyrolysis
Electrolysis
______ is a type of gravity separation.
Hydraulic washing
Magnetic separation
Froth floatation method
