Plaster of Paris (Calcium sulfate hemihydrate, CaSO4·½H2O) is produced by heating gypsum (Calcium sulfate dihydrate, CaSO4·2H2O) to about 150°C. The main raw material for Plaster of Paris is gypsum.
Common salt (NaCl) is not used as a raw material for preparation of which one of the following compounds?
Asked in UPSC NDA 1 2021 · Topic: Acid, Base and Salt (Common Salts: Baking Soda, Washing Soda, Plaster of Paris and Gypsum)
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