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Question

What are the raw materials used in Solvay's process?

A
NaCl,NH3,CaCO3
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B
NaOH,CO2
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C
NaCl,CaCO3,C,H2SO4
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D
NH3,H2O,NaCl
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Solution

The correct option is A NaCl,NH3,CaCO3
the raw materials used in Solvay's process are:
NaCl,NH3,andCaCO3.
The following reaction in solvay's process took place:
CaCO3CaO+CO2
2NH3+CO2+H2O(NH4)2CO3
(NH4)2CO3+CO2+H2O2NH4HCO3
NH4HCO3+NaClNaHCO3+NH4Cl
2NaHCO3Na2CO3+H2O+CO2

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