MCQOPTIONS
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| 1. |
Which of the following is not a composition of Nernst glower or Nernst filament? |
| A. | Oxides of Zirconium |
| B. | Oxides of Barium |
| C. | Oxides of Yitrium |
| D. | Oxides of Thorium |
| Answer» C. Oxides of Yitrium | |