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Answers
Answer:
Baking soda or sodium hydrogen carbonate produces sodium carbonate upon heating and further produceswashing soda along with carbon dioxide and water, on recrystallization.
When baking soda is heated, it produces sodium carbonate, water and carbon dioxide as the products.
The sodium carbonate obtained above as a product is then dissolved in water to obtain crystals of washing soda by the process of crystallization.
The equation for the formation of washing soda from baking soda is given by:
\begin{lgathered}NaHCO_3\overset{\Delta}{\rightarrow}Na_2CO_3+CO_2+H_2O\\\\Na_2CO_3+10H_2O\rightarrow Na_2CO_3.10H_2O\end{lgathered}NaHCO3→ΔNa2CO3+CO2+H2ONa2CO3+10H2O→Na2CO3.10H2O
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Answer: NaHCo3+H2 in the presence of heat =Na2Co3
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