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1. |
At what temperature range is ≈ í¬• 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 | |