Identify the correct order of solubility of Na2S,CaS and ZnS in aqueous medium. CaS and ZnS in aqueous medium. Identify the correct order of solubility of Na2S November 17, 2020 Category: Chapter 7 - Equilibrium , Chemistry , JEE Adv and Mains Chemistry 41 Years Solved Video Solutions 1979 - 2019 ,