What is plaster of Paris ? what is it chemical composition? how it is prepared? (real testimony of friendship is tested when you in bad condition, and whether they are available for your or not )
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Explanation:
1) Plaster of paris, quick-setting gypsum plaster consisting of a fine white powder.
2) (calcium sulfate hemihydrate), which hardens when moistened and allowed to dry.
3) Known since ancient times, plaster of paris is so called because of its preparation from the abundant gypsum found near Paris.
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Chemistry, the science that deals with the properties, composition, and structure of substances (defined as elements and compounds), the transformations they undergo, and the energy that is released or absorbed during these processes.
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