A sodium salt on treatment with MgCI_(2) gives white precipitate only on heating. The anion of sodium salt is

A sodium salt on treatment with MgCI_(2) gives white precipitate only

1.	A sodium salt on treatment with MgCI_(2) gives white precipitate only on heating. The anion of sodium salt is
Answer» `HCO_(3)^(-)` `CO_(3)^(2-)` `NO_(3)^(-)` `SO_(4)^(2-)` SOLUTION :`2NaHCO_(3) + MgCI_(2)overset(Delta) RARR Mg(HCO_(3))_(2) + 2NaCI`