Touch to destroy

Chemistry is a nice thing - if you don't need it at school ;). So here is our chemistry game: Touch to Destroy, Sodium Chloride and water get mixed, what happens? Sodium Chloride dissolves in water, but in this case your mission is to prevent the water molecules from reaching the Sodium Chloride. Tap the water molecules to destroy them.

Tap the H²O molecules to destroy them and prevent them from dissolving the sodium chloride. The higher your score gets, the more difficult the game will be.
Share your score and beat their high score.