Plaster of Paris should be stored in a moisture - proof container. Exp

1.	Plaster of Paris should be stored in a moisture - proof container. Explain why?
Answer» Plaster of Paris should be stored in a moisture-proof container because when plaster of Paris come in the presence of water it forms gypsum giving a hard solid mass which is ultimately useless after some time. Plaster of Paris in contact with moisture (water) changes to solid hard mass, gypsum.\xa0Therefore, it gets wasted. Hence it should be stored in moisture proof containers.\xa0\xa0

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