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Question

Find A, B and C in the following reactions NH3+A+CO2(NH4)CO3
(NH4)2CO3+BCaCO3+2NH4Cl
NH4HCO3+NaClNH4Cl+C

A

AH2O;BCaCl2;CNaHCO3

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B

AH2O;BO2;CNa2CO3

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C

AH2O;BO2;CNaHCO3

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D

AO2;BCO2;CNa2CO3

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Solution

The correct option is A

AH2O;BCaCl2;CNaHCO3


The raw materials used in solvay's process are:
NaCl,NH3, and CaCO3
The following reaction is solvay's process took place:
2NH3+CO2+H2O(NH4)2CO3(NH4)2CO3+CaCl2CaCO3+2NH4ClNH3+CO2+H2ONH4HCO3NH4HCO3+NaCl30oCNaHCO3+NH4Cl
Calcination to get sodium carbonate
2NaHCO3Na2CO3+H2O+CO2

A = H2O
B =CO2
C =NaHCO3

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