Which of the following is a deliquescent compound?
A
NaNO3
B
CaCl2
C
CuO
D
Na2CO3.10H2O
Verified Correct Answer: B.
Chemical Principles & Mechanism
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
Source: WAEC / JAMB / NECO Classroom Archive (Record #4779)