a white chemical compound becomes hard on mixing proper quantity of water it is also used in to maintain joints in fixed position name the chemical compound and wiete its chemical formula. write the chemical equation to show what happens when water is added to this compound in proper quantit
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this chemical compound is plaster of paris which is CaSO4. 1/2H20 .
when pop reacts with water then it forms gypsum
CaSO4.1/2H20 + 1 1/2H20 ----- CaSO4.2H2O
IN THE ABOVE EQUATION 1 1/2 REPRESENTS ONE IN A HALF
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