Lessons

9 lessons • 1h 50m

Introduction (in Hindi)

7m 52s

Atmospheric Pollution (in Hindi)

12m 24s

Global warming and Green house Effect

15m 00s

Acid Rain and Particulate Pollutants

11m 50s

Smog

14m 49s

Water Pollution

13m 40s

Soil Pollution

11m 35s

Green Chemistry

11m 12s

Multiple choice questions

11m 50s

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