explain the preparation of washing soda
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2NH3 +H2O + CO2 = (NH4)2CO3
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sodium carbonate can be obtained by heating baking soda..recrystallisation of sodium carbonate gives washing soda......
Na2Co3 +10H2O---------Na2CO3.10H2O
Na2Co3 +10H2O---------Na2CO3.10H2O
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