조회수
2:37
Is Your WATER SOFTENER WORKING? How to Test for WATER HARDNESS
4:22
Hard & soft water | Environmental Chemistry | Chemistry | FuseSchool
4:50
GCSE Chemistry - Tests for Anions - Carbonate, Sulfate and Halide Ions (2026/27 exams)
0:26
This is SO cool!
0:15
💦Easy way to test water hardness 💧#skincareblogger #haircareroutine #skincareroutine #hardwater
0:39
Touching mercury
0:18
Mind-Blowing Liquid Density Experiment with Oil, Water & Honey! 🔬🧪
0:38
Sodium metal is soft and squishy
