Which of the following ore is used for industrial extraction of aluminium in India?
Aluminium is mainly isolated from bauxite (Al2O3.2H2O) ore which is generally contaminated with ferric oxide and silica.
FeCr2O4 (chromite) is a good source of chromium and its compounds like Na2CrO4 and Na2Cr2O7.
Consider (CuO) = –129.7 kJ mol–1, kJ mol –1and The better reducing agent for the reduction of CuO is
In which of the following isolations no reducting agent is required?
Which of the following pairs of oxides cannot be reduced by carbon to give the respective metals?
Titanium containing mineral found in our country is
Ore pitch blende is main source of
Metal which can be extracted from all the three dolomite, magnesite and carnallite is
Chile salt petre is an ore of
Which is not a mineral of aluminium?