- Explain separation techniques such as precipitation, sublimation and freeze-drying and their daily applications.
precipitation involves an insoluble substance called precipitate formed in a solution by a chemical reaction which also leaves a liquid behind called a supernate.
Sublimation involves changing solid directly into gas.
Freeze-drying is the complete removal of water from food or material.
Sublimation involves changing solid directly into gas.
Freeze-drying is the complete removal of water from food or material.