6 September 2022

BOD (biological oxygen demand) – The water quality indicator

6 September 2022,
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3 Minute Water and Waste Water Video Tutorials by AET For more information or comments contact us here: https://www.aqua-equip.com/ Water testing equipment can be […]


9 November 2021

Water Purification Tablet Treatment Under the Microscope

9 November 2021,
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An experiment testing water purification tablets on dirty water, and examining the water through a microscope and a petri dish. The tablets are only […]


20 July 2021

Sewage Treatment – Microbes in Human Welfare | Class 12 Biology

20 July 2021,
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✔️📚👉 Watch Full Free Course:- https://www.magnetbrains.com​ ✔️📚👉 Get Notes Here: https://www.pabbly.com/out/magnet-brains​ ✔️📚👉 Get All Subjects playlists:- ​https://www.pabbly.com/out/all-videos-playlist =============================================== ✅ In this video, ✔️ Class: […]


6 April 2021

CBSE Class 12 Biology || Microbes In Sewage Treatment

6 April 2021,
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For Notes, MCQs and NCERT Solutions, Please visit our newly updated website https://shikshahouse.com/ This is the 3d animated lesson with explanation which is very […]


14 January 2021

Water Purification & Testing – GCSE Science Required Practical (Triple)

14 January 2021,
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Mrs Peers-Dent shows you how to test water for sodium and chloride ions before and after distilling. —————————– 00:00 Flame test for metal ions […]