The raw materials used in solvay's process are as follows :

N a C l, N H_{3}, C a C O_{3}

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N a O H, C O_{2}

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N a C l, C O_{2}

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N a C l, C a C O_{3}, C, H_{2} S O_{4}

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Solution

The correct option is A $N a C l, N H_{3}, C a C O_{3}$
The solvay's ammonia soda process makes use of $N a C l, N H_{3}$ and $C a C O_{3}$ as the starting material
$N a C l + C a C O_{3} \to N a_{2} C O_{3} + C a C l_{2}$

$N H_{3} + H_{2} O + C O_{2} + N a C l \to N a H C O_{3} + N H_{4} C l$

$2 N a H C O_{3} H e a t e d - ---- \to N a_{2} C O_{3} + H_{2} O + C O_{2}$

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N a_{2} C O_{3}

N a H C O_{3}

{N a_{2} C O}_{3}

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