HomeEngineeringChemical formula of metaphosphoric acid is 3690. Chemical formula of metaphosphoric acid isBy Admin / September 7, 2025 H₃PO₄ H₄P₂O₇ HPO₃ Same as that of pyrophosphoric acid ✅ 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