An example of a hygroscopic substance is? by Sunday | Sep 17 | 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:When a solid substance disappears completely as a…A substance is said to be hygroscopic if it absorbs?A purple colour was obtained when sodium hydroxide…A radioactive substance of mass 768g has a half-life…The half life of a radioactive substance is 14 days.…