What is laster of paris ? Write the chemical formulae of plaster of paris?
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Answer:
Plaster of paris, quick-setting gypsum plaster consisting of a fine white powder (calcium sulfate hemihydrate), which hardens when moistened and allowed to dry. Known since ancient times, plaster of paris is so called because of its preparation from the abundant gypsum found near Paris.
Explanation:
it is formed when water react with Gysum
chemical formula is CaSO4 + 1/2H20
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