Solvay process is used in the manufacture of

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(C) The Solvay process is used in the manufacture of sodium carbonate,$Na_2CO_3$. This process involves the following reactions:$NH_3 + H_2O + CO_2 \l

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$Na_2CO_3$

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(C) The Solvay process is used in the manufacture of sodium carbonate,$Na_2CO_3$. This process involves the following reactions:$NH_3 + H_2O + CO_2 \longrightarrow NH_4HCO_3$$NH_4HCO_3 + NaCl \longrightarrow NaHCO_3 + NH_4Cl$Overall reaction: $NH_3 + H_2O + CO_2 + NaCl \longrightarrow NaHCO_3 + NH_4Cl$The sodium bicarbonate obtained,on heating,gives sodium carbonate:$2NaHCO_3 \xrightarrow{\Delta} Na_2CO_3 + H_2O + CO_2$Note: This process cannot be used for the manufacture of potassium carbonate $(K_2CO_3)$ because potassium bicarbonate $(KHCO_3)$ is highly soluble in water and does not precipitate out like $NaHCO_3$.

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