Upon heating with Cu2S, the reagent(s) that given copper metal is/are
Which one of the following is an ore of silver
Which is not a mineral of aluminium
Cinnabar is an ore of
The most abundant metal in the earth crust is
Which of the following ores does not represent the ore of iron
Cassiterite is an ore of
Cryolite is an ore of
Which one of the followingis a mineral of irons
Which of the following is a carbonate ore
The chief impurity present in red bauxite is
Thermite process is used in the reduction of
Sapphire is mineral of
The highest quantity present in the atmosphere is of
Gravity separation process is used for the concentration of
A similarly between optical and geometrical Isomerism is that:
Siderite is an ore of
Which of the following is an oxide ore?
In electrorefining of copper, some gold is deposited as
Which ore contains both iron and copper?
The extraction of which of the following metals involves bessemerisation?
Which one of the following ores is an ore of copper?
On igniting Fe2O3 at 1400degree C, the product obtained is
Blister copper is
Hydrometallurgy is based on
Which one of the following is the chief ore of copper?
The temperature of the slag zone in the metallurgy of iron using blast furnace is
Which one of the following metals, is extracted on smelting of its ore in blast furnace?
Cyanide process is used for extraction of
Which one of the following metals is extracted by a carbon reduction process?
Sulphide ores are common for metals
Argentite is an ore of
Which one of the following ores is best concentrated by froth floatation method?
In Mac Arthur Forrest method, silver is extracted from the solution of Na [Ag(CN)2 ] by the use of
Aluminium metal is refined by
In metallurgical process, for which metal carbon is used for reduction of metal oxides?
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