An example of a hygroscopic substance is? By: Sunday|Published on: Sep 17|Categories: Chemistry JAMB| 0 comments A. CuO (S) B. MgCl2(S) C. CaCl2 (S) D. NaOH(S) Correct Answer: Option A = CuO (S) Users Also Read These:A radioactive substance has a half-life of 3 days.…The half life of a radioactive substance is 14 days.…A substance is said to be hygroscopic if it absorbs?When a solid substance disappears completely as a…Define and give an example each of the following: i.…SEE ALSO What happens to the equilibrium constant of the reaction below if the temperature is increased?