HomeEngineering__________ is a special constituent of chlorophyll without which photosynthesis is not possible. 509. __________ is a special constituent of chlorophyll without which photosynthesis is not possible.By Admin / September 6, 2025 A. Calcium B. Nitrogen C. Phosphorous D. Hydrogen ✅ 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