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| 1. |
What is the formula of gypsum ? What happens when it is heated ? |
| Answer» Solution :`CaSO_(4) . 2H_(2)O` . When heated to 393 K , it GIVES Plaster to Paris `(CaSO_(4). 1//2 H_(2)O)` but at 473 K it gives DEAD burnt plaster `(CaSO_(4))` . | |