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The Chemical World- Chapter 1
4:57
What is soft and hard water||How we find its soft or hard water #Softwater #hardwater #pashtolecture
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Forensic taphonomy: the chemistry of delivering justice
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Hard & soft water | Environmental Chemistry | Chemistry | FuseSchool
4:20
Group 1 - The Alkali Metals | The Periodic Table | Properties of Matter | Chemistry | FuseSchool
18:56
Matric Class Chemistry part-1||what is soft and hard metals||Comparison b/w Soft and hard metals.
35:54
[1] F.5 Chemistry Patterns in the Chemistry World (periodic trends in elements and oxides)
1:09:22
A VERY soft spoken British man tells you interesting space facts while you sleep
