Thanks Yuk Ching Wong for sharing this project as part of the Young Food Scientist Programme
From left to right:
1. Baking powder partly dissolve in water.
2. Pepper cannot dissolve in water.
3. Coloured sugar completely dissolve in water. Water is the best solvent.
From left to right:
4. Table salt completely dissolve in water. Water is the best solvent.
5. Green Tea powder partly dissolve in water.