When gypsum is heated to 393 K, it forms (a) Dead burnt plaster (b) Anhydrous CaSO4 (c) CaSO4.5H2O it forms (a) Dead burnt plaster (b) Anhydrous CaSO4 (c) CaSO4.5H2O When gypsum is heated to 393 K November 28, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,