Question

Consider the following substances:
NaCl, Ca(OH)₂, NaHCO₃, NH₃, Na₂CO₃, H₂O, Cl₂, CO₂, CaSO₄.2H₂O, 2CaSO₄.H₂O, CaOCl₂

Which compound is used as an antacid?

 

Answer 1

NaHCO₃ is used as an antacid, as it is alkaline, thus it neutralises excess acid in the stomach.