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In manufacture of sodium carbonate from ...

In manufacture of sodium carbonate from Solvary (or ammonia soda) process the raw material used is :

A

NaOH

B

`Na_2SO_4`

C

`NaCl`

D

`NaHCO_3`

Text Solution

Verified by Experts

The correct Answer is:
C
`NH_3+CO_2+H_2O to NH_4HCO_3`
`NaCl + NH_4 HCO_3 to NaHCO_3 + NH_4Cl`
`2NaHCO_3 overset(150^@C)to Na_2CO_3 + CO_2 + H_2O + CaCl_2` (by product)
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