Polling process is used for

Question

Polling process is used for (A) The removal of textCu text2 textO from Cu (B) The removal of Al2O3 from Al (C) The removal of Fe2O3 from Fe (D) All of these

Tardigrade Admin · Accepted Answer

When impure metal has impurity of its own metal oxide, then poling process is used, i.g., impure Cu and Sn are purified by this method.

Q. Polling process is used for

The removal of $Cu_{2} O$ from $C u$

The removal of $A l_{2} O_{3}$ from $A l$

The removal of $F e_{2} O_{3}$ from $F e$

All of these

When impure metal has impurity of its own metal oxide, then poling process is used, i.g., impure $C u$ and $S n$ are purified by this method.