8
You notice a thin film of insoluble solid floating on the surface of the pool's water.This would be called a precipitation reaction. According to this type reaction, the thing floating on the surface would be called the precipitate.
Added 8/4/2018 11:53:47 PM
This answer has been confirmed as correct and helpful.
Confirmed by
jeifunk [8/6/2018 7:41:20 AM]