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JAMB Chemistry 2002 Question 18

Question 18

Water

When a salt loses its water of crystallization to the atmosphere on exposure, the process is said to be

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

Answer: A (efflorescence)

Explanation

Efflorescence is the loss of water of crystallization to the air, e.g. washing soda crystals turning to powder.