Asked by Anonymous

Calcium carbonate can be used as an antacid to treat excess stomach acidity. What type of substance is calcium carbonate?

a. base

b. reducing agent

c. acid

d. buffer

Answers

Answered by DrBob222
As an antacid it is acting as a base (A Bronsted-Lowry base).
CO3^2- + 2H^+ ==> H2CO3 ==> CO2 + H2O
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