Asked by srprusty | 9th Feb, 2010, 06:52: PM
Baking soda is Sodium hydrogen carbonate (NaHCO3)
NaCl + H2O + CO2+ NH3 NH4Cl + NaHCO3
Bleaching powder is represented as CaOCl2, though the actual composition is quite complex.
Preparation: Bleaching powder is produced by the action of chlorine on dry slaked lime.
Ca(OH)2 + Cl2 CaOCl2+ H2O
Washing soda is Sodium carbonate Na2CO3 .10H2O
In the first step, sodium carbonate is obtained by heating baking soda.
2 NaHCO3Na2CO3 + H2O + CO2
Then washing soda is produced by recrystallisation of sodium carbonate
Na2CO3 + 10H2O Na2CO3 .10H2O
Answered by | 10th Feb, 2010, 09:09: AM
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