Lesson 2 of 5 • 20 upvotes • 7:53mins
Properties of water, occurrence of water, impurities in water, definition of hardness of water,ions cause hardness of water these all topics are covered
5 lessons • 35m
Course overview (in Hindi)
2:01mins
Hardness of Water Part 1 (in Hindi)
7:53mins
Hardness of Water Part 2 (in Hindi)
6:40mins
Hardness of Water Part 3 (in Hindi)
10:22mins
Hardness of Water Part 4 (in Hindi)
8:46mins