14 January 2021

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

14 January 2021,
 0

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 […]


8 December 2020

Chemical-physical waste water treatment

8 December 2020,
 0

Dissolved air flotation: Process steps and function of chemicals