what happen to gypsum when heated above 100°C??
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HI DUDE!!!! HERE'S YOUR ANSWER!!!
Gypsum makes the product called Plaster of paris (POP) in 100 Celsius. This is widely used in building and construction applications.
Further heating beyond 180 degree celcius gives a product called gamma anhydrite. This is generally used as a desiccant.
Heating beyond 250 degree , to form a product called Beta anhydrite. This does not react with water in general.
Further heating also induces releases of oxygen, making gypsum an oxidising agent at high temperatures. Hope this HELPS!!!
Gypsum makes the product called Plaster of paris (POP) in 100 Celsius. This is widely used in building and construction applications.
Further heating beyond 180 degree celcius gives a product called gamma anhydrite. This is generally used as a desiccant.
Heating beyond 250 degree , to form a product called Beta anhydrite. This does not react with water in general.
Further heating also induces releases of oxygen, making gypsum an oxidising agent at high temperatures. Hope this HELPS!!!
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Answer:
on heating "above" 100°C, CaSO4 + 2H2O are formed...
on heating "at" 100°C, CaSO4.1/2H2O + 3/2H2O are formed...
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