20 June 2022

GCSE Science Revision Chemistry “Potable Water”

20 June 2022,
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Find my revision workbooks here: https://www.freesciencelessons.co.uk/workbooks In this video, we look at how to produce potable water. We look at the different stages of […]


28 May 2022

GCSE Science Revision Chemistry “Required practical 8: Water”

28 May 2022,
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Find my revision workbooks here: https://www.freesciencelessons.co.uk/workbooks In this video, we look at the required practical on the analysis and purification of water. Deliberate Thought […]


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 […]


9 July 2021

Hydrogen Peroxide and Peracetic Acid – Two chemicals transforming wastewater treatment | Evonik

9 July 2021,
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The unique chemical properties of hydrogen peroxide and peracetic acid as well as their ecological friendliness predestinate these chemicals for an extensive use in […]


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 […]