6. The dissolving power of water.
7. Presence of gases in water. 8. Simmering and boiling of water.
9. Tannin in tea.
10. The solubility of granulated sugar in cold water.
11. The solubility of granulated sugar in hot water.
12. The solubility of powdered sugar.
13. The solubility of caramel.
14. The starch test.
15. The effect of cold water on starch.
16. The effect of heat on starch.