Which of the following can remove chemically combined water molecules from compounds?
Hydroscopic substances
Only dehydrating agents/substance, such as sulphuric acid can remove chemically combined water molecules from compounds.
CuSO4.5H2O conc.H2SO4⟶ CuSO4+5H2O
The definite number of water molecules which enters into a chemical combination with the substance when the substance is crystallized from its hot saturated solution is called ________.