Unit-2: Water (Part 1): Sources of Water, Temporary & Permanent Hardness ,EDTA Method

Welcome back to Polychem Classes! This is Part 1 of our complete lecture series on Water Chemistry designed specifically for Semester-1 Diploma Engineering students under SBTE, Bihar (Course: Applied Chemistry-A, Code: 2400103A). In this session, we cover the fundamentals of water sources, the classification of temporary and permanent hardness, and the quantitative measurement of hardness using the standard EDTA titration method. 📚 Topics Covered in this Lecture: Sources of Water: Surface water, groundwater, and rainwater characteristics. Hardness of Water: Why hard water doesn't lather with soap and causes scaling. Types of Hardness: Detailed explanation of Temporary Hardness (bicarbonates) and Permanent Hardness (chlorides and sulfates). EDTA Method: Complexometric titration, use of EBT indicator, and calculations for determining total water hardness. 🔗 Course & Curriculum Details:Course Name: Applied Chemistry-A Course Code: 2400103A Branch: Civil, Mechanical, Automobile & other Engineering branches (Semester-1) Board: State Board of Technical Education (SBTE), Bihar 👍 Support Our Channel: If you found this lecture helpful and easy to understand: Hit the LIKE button! SUBSCRIBE to Polychem Classes for more diploma engineering tutorials. SHARE this video with your classmates and friends!