HomeEngineeringBlue colour is imparted to glass by the addition of 5245. Blue colour is imparted to glass by the addition ofBy Admin / September 7, 2025 FeSO₄ PbO CaO NaOH ✅ The correct answer is option C.
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