General Principles and Processes of Isolation of Elements
Iron is extracted from magnetite by reduction with
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Metals more reactive than carbon are usually extracted by_________.
The reducing agent in thermite process is:
The extraction of metals from oxide ores involve :
In which of the following chemical leaching is used either in the extraction of metal or in the concentration of ore?
Explain magnetic separation process of ores with the help of a neat, labelled diagram.
Fusion of MnO2, with KOH in presence of O2 produces a salt W. Alkaline solution of W upon electrolytic oxidation yields another salt X. The manganese containing ions present in W and X, respectively are Y and Z. Correct statement(s) is (are)
Gold is extracted by hydrometallurgical process, based on its property:
Which of the following is a physical mean for concentration of ore?