tontonan
4:22
Hard & soft water | Environmental Chemistry | Chemistry | FuseSchool
6:00
Hard/Soft Acid-Base Theory
2:56:14
The Sleepy Scientist | The Chemistry of (Nearly) Everything
52:09
you're alone in the lab at night because the product is still impure (a chemistry playlist)
3:34:38
Level 1 to 100 Chemistry Concepts to Fall Asleep To
0:31
Hard Water and Soft Water
3:54
Learn How To Turn Hard Water Into Soft Water | Environmental Chemistry | Chemistry | FuseSchool
6:26
What is Freezing Point, Melting Point and Boiling Point? | Chemistry Lessons | Dr. Binocs Show