Saved Bookmarks
| 1. |
poling process is used forA. the removal of `Cu_(2)O` from CuB. The removal of `Al_(2)O_(3)` from AlC. the removal of `Fe_(2)O_(3)` from FeD. All of these |
|
Answer» Correct Answer - A When impure metal has impurity of its ow metal oxide. Then poling process is used e.g. impure Cu and Sn are purified by this method. |
|