Saved Bookmarks
| 1. |
In the commercial electrochemical process for aluminium extraction, the electrolyte used isA. an aqueous solution of `Al_(2)(SO_(4))_(3)`B. an aqueous solution of `Al(OH)_(3)` and `NaOH`C. a molten mixture of `Al(OH)_(3) and CaCO_(3)`D. a molten mixture of `Al_(2)O_(3) and Na_(3)AlF_(6)` |
|
Answer» Correct Answer - D Impurity in solid decreases melting point . |
|