Question

what happen when plaster of Paris kept in atmosphere ? give reasons​

Answer 1

The white powder of Plaster of Paris on mixing it with water changes to gypsum and sets in as a hard solid mass. Due to this reason Plaster of Paris should be stored in air tight container because air contains moisture this moisture can cause the setting of plaster of Paris into hard mass gypsum.

Answer 2

~ANSWER ~

Plaster of Paris, quick-setting gypsum plaster consisting of a fine white powder (calcium sulphate hemihydrate), which hardens when moistened and allowed to dry because plaster of Paris turns into Gypsum after reacting with moisture present in air. That’s why plaster of Paris should be stored in a moisture-proof container.

Here is your answer my friend ❣️

Hope it is helpful ♥️

⤵️Click here and follow and pls mark me as the brainliest ✌️