what is plaster of paris ? how is it obtain from gypsum
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Plz lager som points to
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ᴘʟᴀsᴛᴇʀ ᴏғ ᴘᴀʀɪs ɪs ᴏʙᴛᴀɪɴᴇᴅ ʙʏ ʜᴇᴀᴛɪɴɢ ɢʏᴘsᴜᴍ ᴏʀ ᴄᴀʟᴄɪᴜᴍ sᴜʟᴘʜᴀᴛᴇ ᴅɪʜʏᴅʀᴀᴛᴇ ᴛᴏ ᴀʙᴏᴜᴛ 140-180 ᴅᴇɢʀᴇᴇ ᴄᴇʟsɪᴜs. ᴡʜᴇɴ ʜᴇᴀᴛᴇᴅ ᴛᴏ sᴜᴄʜ ᴀ ᴛᴇᴍᴘᴇʀᴀᴛᴜʀᴇ, ɢʏᴘsᴜᴍ ғᴏʀᴍs ᴘʟᴀsᴛᴇʀ ᴏғ ᴘᴀʀɪs. ᴛʜᴇ ɴᴀᴍᴇ ɪs ᴅᴇʀɪᴠᴇᴅ ғʀᴏᴍ ᴛʜᴇ ʟᴀʀɢᴇ ᴅᴇᴘᴏsɪᴛs ᴏғ ɢʏᴘsᴜᴍ ɪɴ ᴛʜᴇ ᴍᴏɴᴛᴍᴀʀᴛʀᴇ ʜɪʟʟ ɪɴ ᴘᴀʀɪs.
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