Science Experiment | How to make soap | Saponification | Preparation of Soap in Lab | Sodium Soap
21:05
Making Soap
6:22
How Bath Soap is Made
15:53
Expériences scientifiques de niveau 1 à 100
3:38
Saponification | Making Soap | Chemical Soap | Science Experiment | Sodium Hydroxide | Triglycerides
14:32
NECT Gr 12 Making Esters
26:47
Des puzzles qui semblent difficiles mais qui sont en fait faciles !
17:13
Poulpe face au Labyrinthe Sous-marin
13:57