JAMB Chemistry 1994 Question 16

Question 16

Water

A solid that absorbs water from the atmosphere and forms an aqueous solution is

  1. A.hydrophilic
  2. B.efflorescent
  3. C.deliquescent
  4. D.hygroscopic
Show the answer and explanation

Answer: C (deliquescent)

Explanation

A deliquescent solid (such as CaCl2 or NaOH) absorbs so much water from the air that it dissolves in it. A hygroscopic substance absorbs water but does not form a solution.