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