Which of the following ores does not represent the ore of iron
Thermite process is used in the reduction of
The chief impurity present in red bauxite is
Sapphire is mineral of
The highest quantity present in the atmosphere is of
Siderite is an ore of
Gravity separation process is used for the concentration of
Hydrometallurgy is based on
In electrorefining of copper, some gold is deposited as
Which of the following is an oxide ore?
On igniting Fe2O3 at 1400degree C, the product obtained is
The extraction of which of the following metals involves bessemerisation?
Blister copper is
Which one of the following is the chief ore of copper?
Cyanide process is used for extraction of
Which one of the following ores is an ore of copper?
A similarly between optical and geometrical Isomerism is that:
Aluminium metal is refined by
Which ore contains both iron and copper?
Argentite is an ore of
The temperature of the slag zone in the metallurgy of iron using blast furnace is
In Mac Arthur Forrest method, silver is extracted from the solution of Na [Ag(CN)2 ] by the use of
Sulphide ores are common for metals
In metallurgical process, for which metal carbon is used for reduction of metal oxides?
Which one of the following ores is best concentrated by froth floatation method?
Which one of the following metals is extracted by a carbon reduction process?
Which one of the following metals, is extracted on smelting of its ore in blast furnace?
which of the following compounds will exhibit geometri cal Isomerism?
the alkene that exhibit geometrical Isomerism is
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