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Lessons
9 lessons • 1h 31m
Overview
2m 45s
Potential Hydrogen Ion Concentration
12m 42s
Acidity and Alkalinity
12m 19s
Remaining of Chemical Characteristics.
7m 39s
Hardness
10m 08s
Biological Water Quality
10m 47s
MCQs on Quality of Water : I
11m 41s
MCQs on Quality of Water: II
13m 08s
MCQs on Quality of Water : III
10m 05s