with the help of chemical eqation explain the method of preparation of washing soda
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When baking soda is heated, sodium carbonate, water and CO2 are produced.
Sodium carbonate obtained is dissolved in water and crystals of washing soda are obtained by crystallization.
2NaHCO3 → Na2CO3 + H2O + CO2
Na2CO3 + 10H2O → Na2CO3.10H2O
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NA2CO3+10H2O ⇒ NA2CO3.10H2O
(Thats it)
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