Question:
During the process of electrolytic refining of copper, some metals present as impurity settle as anode mud. These are
During the process of electrolytic refining of copper, some metals present as impurity settle as anode mud. These are
Updated On: Jul 12, 2022
- Fe and Ni
- Ag and Au
- Pb and Zn
- Se and Ag
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The Correct Option is B
Solution and Explanation
During electrolysis, noble metals like $ Ag,Au $ and $ Pt $ are not affected and separate as anode mud from impure anode.
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Concepts Used:
General Principles and Processes of Isolation of Elements
What are Ores and Minerals?
Minerals are the naturally occurring, homogeneous inorganic solid substances. They are having a definite chemical composition and crystalline structure, hardness and color. For example, copper pyrite, calamine, etc.
Impurities in an ore are called gauge. The removal of a gauge from the ore is called concentration ore.
Several steps are involved in the extraction of pure metal from ores. Major steps are as follows –
- Concentration of the ore
- Isolation of the metal from its concentrated ore
- Purification of the metal