Mettulurgy
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what is used in hall haroult process as an electrolyte and why?
Al2O3 + Na3AlF6(Cryolite) is used because cryolite has low melting point
Mg has which method for extraction
Fused Salt Electrolysis
iron is removed from Chalcopyrite as partial roasting of chalcopyrite produces
FeSiO3 Feo+Cu2O
Copper Pyrite formula and what is its common name
CuFeS2 Also Known as chalcopyrite
Pb from cheif ore has _______ reduction
Self Reduction
Sn(Tin) From Chief ore is done by ______reduction
Carbon reduction
cassiterite formula and what impurities does is contains
SnO2 impurities= Fe,Cu
Boron is extracted by Decomposition of its ____
Iodide
Why are nitrate ores not found!?
Nitrate ores are not found because all nitrate are water soluble.
Why do d-block generally form sulphide ore?
Heavy d-block metals generally form sulphide ore because polarising power of heavy d-block metals is high and polarisability of sulphide is high.
Limestone
CaCO3
haematite
Fe2O3
bauxite
Al2O3.2H2O
magnetite
Fe3O4
cassiterite
SnO2
siderite
FeCO3
calamine
ZnCO3
dolomite
CaCO3.MgCO3
Epsom
MgSO4.7H2O
azurite
2CuCO3.Cu(OH)2
malachite
CuCO3.Cu(OH)2
gypsum
CaSO4.2H2O
zinc blend/sphalarite
ZnS
cinnabar
HgS