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

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