Question

Chemical formula of caustic soda,cement and plaster of paris

Answer 1

caustic soda:-NaOh
plaster of paris-CaSO4.1/2H2O
cement:- cement is a mixture of   2CaO.SiO2(22%), CaO.SiO2(54%), 3CaO.Al2O3(6%) and 4CaO.Al2O3.Fe2O3(9%).

Answer 2

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CAUSTIC SODA - NaOH (SODIUM HYDROXIDE)