Antacids are substances that neutralize the excess hydrochloric acid (HCl) produced in the stomach. To neutralize an acid, the substance must be a base. Common antacids include weak bases such as aluminum hydroxide [Al(OH)₃], magnesium hydroxide [Mg(OH)₂], calcium carbonate [CaCO₃], and sodium bicarbonate [NaHCO₃].
Antacids are
Asked in CGPSC Prelims Exam 2016 · Topic: Acid, Base and Salt (Definitions of Acids and Bases (Arrhenius and Brønsted-Lowry concepts))
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