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General Principles And Processes of Isolation Of Elements
Outline the principles behind the refining of metals by the following methods:
Zone refining method
Zone Refining Method:
Zone refining method is based on the principle that impurities are more soluble in the molten state than in the solid state of a metal. This method is used in the purification of elements like Germanium(Ge), Silicon(Si), Indium (In) etc.
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What is the role of cryolite in the metallurgy of aluminium?
Why is zinc not extracted from zinc oxide through reduction using CO?
What is the role of graphite rod in the electrometallurgy of aluminium?
Predict conditions under which Al might be expected to reduce MgO.
Define the term gangue or matrix.
Define the term flux.
Deine the term slag.
Why magnesium oxide is used for the lining in steel making furnance?
Which process is generally used for the benefication of sulphide ores?
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