A compound which is prepared from gypsum has the property of hardening when mixed with proper quantity of water. Identify the compound. Write chemical equation to preapar the compound. Mention one important use of the compound.

Explanation

Plaster of Paris `(CaSO_(4).1//2H_(2)O)` has the property of hardening when mixed with a proper quantity of water . Plaster of Paris is obtained by heating gypsum at 373 K . `underset("Gypsum")(CaSO_(4).2H_(2)O_((s)))underset("Heat")overset(372K)tounderset("Plaster of Paris")(CaSO_(4).(1)/(2)H_(2)O+(3)/(2))underset("Water")(H_(2)O)`
in hospitals , it is used as plaster for setting the fractured bones in the right position .