A) for the removal of \[C{{u}_{2}}O\] from Cu
B) for the removal of \[A{{l}_{2}}{{O}_{3}}\] from Al
C) for the removal of \[F{{e}_{2}}{{O}_{3}}\] from Fe
D) In all the above
Correct Answer: A
Solution :
[a] Poling (metallurgy) is a method employed in the purification of copper which contains cuprous oxide as an impurity.You need to login to perform this action.
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