HomeEngineering__________ is a donor impurity for semi-conductors. 2160. __________ is a donor impurity for semi-conductors.By Admin / September 7, 2025 Boron Antimony Gallium None of these ✅ The correct answer is option B.
1. A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm². Leave a Comment / Basic Chemical Engineering MCQs, Chemical Engineering, Engineering / By Admin
2. Transformer cores are normally made from Leave a Comment / Basic Chemical Engineering MCQs, Chemical Engineering, Engineering / By Admin