Out of Na2CO3 and NaHCO3 which acts as an antacid?
Antacid:-
The substances which neutralize the excessive acid produced by the stomach without any side effects are called antacids.
Out of Na2CO3 and NaHCO3, Sodium bicarbonate(NaHCO3) can be used as an antacid because:-
Therefore, only NaHCO3 should be used as an antacid.