Jee MainS Block ElementsJEE Main 2021 (Online) 27th August Morning ShiftMCQ+4 / -12021ENHIThe number of water molecules in gypsum, dead burnt plaster and plaster of Paris, respectively are :A2, 0 and 1B0.5, 0 and 2C5, 0 and 0.5D2, 0 and 0.5Check AnswerClear SelectionReveal AnswerShow Explanation