A glass is the silicates of sodium or potassium and silicate of calcium.
Because glass is mostly inert, that is most chemicals don't attack it.
Pyrex is borosilicate glass and like all glass does not absorb any chemicals.
no water is not present in a glass , glass itself is known as liquid
a glass to hold chemicals
A new material - glass - is obtained.
a glass stirring rod
The bonding materials for glass layers in laminated glass are polyvinyl butyral or ethylene vinyl acetate.
There are hundreds of formulas for different types of glass, but the predominant ingredient in all glass is silica (sand),
you get glass from sand and they compact it then use special chemicals to make it clear
See this link.
sodium
A hot plate.