JAMB - Chemistry (2011 - No. 20)
Which of the following is a deliquescent compound?
NaNO3
CaCl2
CuO
Na2CO3.10H2O
解释
- 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