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Activity Discussion Science & Technology Plaster of Paris should be stored in a moisture proof container. Explain why?

  • Soniya Sanyal

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    May 8, 2021 at 1:28 pm
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    Plaster of Paris is chemically calcium sulphate. So when it comes in contact with moisture it changes into a hard substance called gypsum. This reaction cannot be reversed and therefore it gets wasted. So it is advised to store plaster of Paris in a moisture proof container.

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