Saved Bookmarks
| 1. |
Electrolytic reduction of alumina to aluminium by the Hall-Heroult process is carried outA. in the presence of NaClB. in the presence of fluoriteC. in the presence of cryolite which forms a melt at lower temperature and increases the electrical conductivityD. in the presence of cryolite which forms a melt at higher temperature and increases the electrical conductivity |
| Answer» Correct Answer - C | |