Some Hygroscopic Substances
|Concentrated sulphuric acid||H2SO4||Magnesium chloride||MgCl2|
|Anhydrous calcium chloride||CaCl2||Ferric Chloride||FeCl3|
|Calcium oxide||CaO||Phosphorus pentoxide||P4O10|
|Solid Sodium hydroxide||NaOH||Calcium nitrate||Ca(NO3)2|
|Solid potassium hydroxide||KOH||Copper nitrate||Cu(NO3)2|
Certain hygroscopic substances, not only absorb moisture from the air, but also dissolve themselves in that moisture, undergoing a change of state. Such substances are called deliquescent substances. The process is called Deliquescence.