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Lessons
6 lessons • 1h 4m
Overview
2m 58s
Lec 1 - turbidity and colour
14m 43s
Lec 2- taste odour and TDS
13m 23s
Lec 3 -pH
11m 35s
Lec4 - hardness
15m 00s
Lec5 - chloride and nitrogen content
6m 46s