MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the net reaction in Hall-Heroult process? |
| A. | 2Al<sub>2</sub>O<sub>3</sub> + 3C 4Al + 3CO<sub>2</sub> |
| B. | 4Al<sub>2</sub>O<sub>3</sub> + 3C 4Al + 6CO<sub>2</sub> |
| C. | F<sub>2</sub> + Al<sub>2</sub>O<sub>3</sub> Al + F<sub>2</sub>O<sub>3</sub> |
| D. | Na<sub>3</sub>AlF<sub>6</sub> AlF<sub>3</sub> + 3NaF |
| Answer» B. 4Al<sub>2</sub>O<sub>3</sub> + 3C 4Al + 6CO<sub>2</sub> | |