Which of the following is a deliquescent compound?

A.

NaNO3

B.

CaCl2

C.

CuO

D.

Na2CO3.10H2O

Correct answer is B

  • Deliquescent substances are referred to known as those substances which absorbs moisture from the surrounding and dissolves themselves with the moisture or water to form a solution.
  • Examples are sodium hydroxide(NaOH), calcium chloride(CaCl2), potassium hydroxide(KOH), ammonium chloride(NH4Cl) , etc