Electrometallurgy
Trending Questions
The branch of electrometallurgy comprises
Electrolytic refining
Electroplating
Electrolytic extraction
All of the above
A scrap metal dealer gets a huge consignment of crude metallic Lead. For a profitable deal he needs to refine the metal using electrolysis. Which one of the following is a good choice for an electrolyte?
PbI2
PbCl2
PbSiF6
All of the above
In general, electrolytic refining is a process of purification of impure metal during which an electric current is passed through an electrolytic cell which contains impure metal as anode, a suitable electrolyte and pure metal as cathode.
False
True
In the electrolytic refining process of Zinc, it is given that the crude metal is made anode while the electrolyte is used is H2SO4 (dilute) + ZnSO4 . The cathode should be:
Zn-Hg Amalgam
Aluminum
All of the above
Pure Zinc
- Ag
- Ca
- Cu
- Cr
- True
- False
In the ore Bauxite Al2O3.2H2O there are two significant types – Red Bauxite and White Bauxite. Bayer’s process is applicable for
What is the role of graphite rod in the electrometallurgy of aluminimum ?
What should be the considerations during the extraction of metals by electrochemical method?
The element which could be extracted by electrolytic reduction of its oxide dissolved in a high temperature melt is:
- Sodium
- Potassium
- Fluorine
- Aluminium