1.

Sodium carbonate is manufactured by Solvay process, the products that are recycled are [KCET 1993; DCE 1999]

A. \[C{{O}_{2}}\] and \[N{{H}_{3}}\]
B. \[C{{O}_{2}}\] and \[N{{H}_{4}}Cl\]
C. \[NaCl,\,CaO\]
D. \[CaC{{l}_{2}},\,CaO\]
Answer» B. \[C{{O}_{2}}\] and \[N{{H}_{4}}Cl\]


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