Calcium sulphate dihydrate is commonly known as ________.
Answer
Correct Answer : a ) Gypsum
Explanation :Gypsum is a sulfate mineral composed of calcium sulfate dihydrate and has the chemical formula CaSO4.2H2O. It exists as massive material (alabaster variety), clear crystals (selenite variety) and parallel fibers (satin spar variety).
Gypsum board is primarily used as a finish for walls and ceilings, and is known in construction as drywall or plasterboard.
Gypsum is also a component of surgical splints, casting molds and modeling using the property of coagulation.
Hence, (a) is the correct answer.
Read List of Chemical compounds- their common name, formula and uses
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