HomeEngineeringSoap cannot be used with hard water, because 5095. Soap cannot be used with hard water, becauseBy Admin / September 7, 2025 Hard water contains sulphate They form insoluble calcium soaps which precipitate They attract back the removed dirt 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