"Sodium hydrogen carbonate is a salt". Justify the statement. How is it converted into washing soda? Explain.
[CBSE 2012].
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when sodium bicarbonate is heated sodium carbonate , water and carbon dioxide is produced then sodium carbonate is reacted with crystals of water it produce washing soda.
Sodium bicarbonate is salt because it is used in making tasty and crispy pakoras
Sodium bicarbonate is salt because it is used in making tasty and crispy pakoras
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It is a salt produced by the neutralization reaction between a strong base (NaOH) and a weak acid ( H₂CO₃) , hence it is a basic salt.
It is heated strongly to produce sodium carbonate
2NaHCO₃ + heat → Na₂Co₃+H₂O+CO₂
Sodium carbonate is recrystallized to produce washing soda.
Na₂CO₃ + 10H₂O → Na₂CO₃.10H₂O
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