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 substance changes directly from the solid…A substance is said to be hygroscopic if it absorbs?When a solid substance disappears completely as a…What is the molar mass of a substance; if 0.4 mole…Substance Q reacts with cold water to form a…