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 […]


20 October 2020

NEET: Microbes in Human Welfare – L3 | Wastewater Treatment | Class 12 | Unacademy NEET | Pradeep S.

20 October 2020,
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To download notes, click here NOW: https://bit.ly/2zsAMpq Unacademy NEET brings you another interesting Biology session to prepare you for NEET 2020. In this session, […]