MCQOPTIONS
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| 1. |
At what temperature range is δ iron stable?$ |
| A. | Up to 908<sup>o</sup>C |
| B. | 908-1388<sup>o</sup>C |
| C. | 1388-1535<sup>o</sup>C |
| D. | 1535-1800<sup>o</sup>C |
| Answer» D. 1535-1800<sup>o</sup>C | |