(a) Solid sodium hydrogen carbonate is heated ?(b) Chlorine gas is passed through dry slaked lime (c) Gypsum is heated to a temperature of 373 K?
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(a) Sodium carbonate is formed
(b) lime becomes milky
(c) when gypsum is heated to temperature of 373K then POP is formed(calcium sulphate hemihydrate)
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(a)2NaHCO3 --------Heat----------> Na2CO3 +H2O+CO2
Sodium Carbonate is formed.
(b)Ca(OH)2 + Cl2 → CaOCl2 + H2O
Bleaching Powder is formed
(c)CaSO4 2H2O --- -373 K ------> CaSO4 ½ H2O + 3/2 H2O
Plaster of Paris will form
Sodium Carbonate is formed.
(b)Ca(OH)2 + Cl2 → CaOCl2 + H2O
Bleaching Powder is formed
(c)CaSO4 2H2O --- -373 K ------> CaSO4 ½ H2O + 3/2 H2O
Plaster of Paris will form
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