JAMB Chemistry 2022 Question 7

Question 7

Water

The process whereby Na2CO3.10H2O loses its water of crystallization to the atmosphere is called

  1. A.efflorescence
  2. B.deliquescence
  3. C.effervescence
  4. D.hygroscopic
Show the answer and explanation

Answer: A (efflorescence)

Explanation

Efflorescence is the loss of water of crystallisation from a hydrated crystal when it is exposed to air.