underset((16.8gm))("Solid"(A))overset(Delta)rarr underset((4.4gm))("Acidic gas") (B)+ Neutral liuqid (C)+ Solid (D) Aqueous solution of (D) overset(BaCI_(2)sol)underset("in excess")rarr (Solid E weighing 19.7 gm) Identify A:

underset((16.8gm))("Solid"(A))overset(Delta)rarr underset((4.4gm))("Ac

1.	underset((16.8gm))("Solid"(A))overset(Delta)rarr underset((4.4gm))("Acidic gas") (B)+ Neutral liuqid (C)+ Solid (D) Aqueous solution of (D) overset(BaCI_(2)sol)underset("in excess")rarr (Solid E weighing 19.7 gm) Identify A:
Answer» `KHCO_(3)` `NaHCO_(3)` `K_(2)CO_(3)` `Na_(2)CO_(3)` Solution :`A rarr NaHCO_(3), B rarr CO_(2)`, `C rarr H_(2)O, D rarr Na_(2)CO_(3), E rarr BaCO_(3)`