MCQOPTIONS
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| 1. |
δ-iron occurs in the temperature range of |
| A. | Between 400°C to 600°C |
| B. | Between 600°C to 900°C |
| C. | Between 900°C to 1400°C |
| D. | Between 1400°C to 1539°C |
| Answer» E. | |