MCQOPTIONS
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| 1. |
During electrochemical reduction method, the melt constituents are composed of which of the following materials? |
| A. | Non metal oxide, alkali nitride, sulphide |
| B. | Metal nitride, nonmetal halide, carbide |
| C. | Nonmetal sulphide, alkali carbide, nitride |
| D. | Metal oxide, alkali borate, alkali halide |
| Answer» E. | |