Plaster of Paris, Deliquescence and Efflorescence

The video tutorial explores the fascinating world of hydrates, compounds that incorporate water into their crystal structure. It explains how substances like copper sulfate change color when hydrated or dehydrated. The video also delves into gypsum and its transformation into plaster of Paris, a material with various practical applications. Additionally, it covers hygroscopic substances like silica gel, which absorb moisture from the air, and deliquescent substances that dissolve in absorbed moisture, using everyday examples like instant coffee.

Who is credited with the invention of plaster of Paris and what historical event is associated with him?

What is the role of silica gel in electronic packaging?

Define deliquescent substances and provide an example from everyday life.