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General Principles And Processes of Isolation Of Elements
The method of zone refining of metals is based on the principle of
higher melting point of impurity than that of the pure metal
greater noble character of the solid metal than that of the impurity
greater solubility of the impurity in the molten state than in the solid.
greater mobility of the pure metal than that of the impurity.
C.
greater solubility of the impurity in the molten state than in the solid.
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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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