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प्रश्न
Extraction of gold and silver involves leaching with cyanide ion. silver is later recovered by
पर्याय
Distillation
Zone refining
Displacement with zinc
liquation
उत्तर
Displacement with zinc
APPEARS IN
संबंधित प्रश्न
The following set of reactions are used in refining Zirconium
\[\ce{Zr (impure) + 2I2 ->[523 K] ZrI4}\]
\[\ce{ZrI4 ->[1800 K] Zr (pure) + 2I2}\]
This method is known as
In the electrolytic refining of copper, which one of the following is used as anode?
Describe a method for refining nickel.
Explain the zone refining process with an example.
Give the basic requirement for vapour phase refining.
Describe the role of the following in the process mentioned.
Cryolite in the extraction of aluminium.
Describe the role of the following in the process mentioned.
Iodine in the refining of Zirconium.
Explain the principle of electrolytic refining with an example.
