Which scrap is more suitable for reducing the leached copper ore?
Iron
Both Fe and Zn
Zinc
none of these
Oxidising impurities of cast iron is a reverberatory furnace lined with haematite, we get
Pig iron
Cast iron
Wrought iron
Steel
Melting pig iron with scrap iron and coke is called
Spongy iron
At the bottom of the furnace, the formation of CO2 takes place is an eg of
Exothermic process
Endothermic process
Neither exothermic or endothermic
Both exothermic and endo thermic
The ore is heated in regular supply of air in a furnace at a temperature below the melting point of metal is called
Smelting
Roasting
Calcination
Refining
The reduction of Zinc oxide is done using
CO2
CO
Coke
Silica
In the metallurgy of silver and gold, the leaching agents are
NaCN and O2
NaCN and CO2
KCN and O2
'A' or 'C'
Benefaction is otherwise called
Concentration
Magnetic seperation
Froth flotation
The method used for the refining of Ti is
Liquation
Electrolytic refining
Van Arkel method
Mond process
______ is a type of gravity separation.
Hydraulic washing
Magnetic separation
Froth floatation method