On exposure to the atmosphere, a hydrated salt loses its water of crystallization to become anhydrous. This phenomenon is referred to as? By: Sunday|Published on: Sep 17|Categories: Chemistry JAMB| 0 comments A. efflorescence B. deliquescence C. hygroscopy D. hydrolysis Correct Answer: Option A – efflorescence Users Also Read These:The percentage of water of crystallization in…Salts that contain water of crystallization are said to be?Which of the following compounds crystallizes…The loss of molecules of water of crystallization to…When a salt loses its water of crystallization to…SEE ALSO How many moles of sodium trioxocarbonate (IV) are there in a 25 cm³ solution which required 10cm³ of 0.05 mol dm-³ hydrochloric acid solution to neutralize it?