Between sodiumhydrogencarbonate and magnesium hydroxide which is a better antacid and why ?

Explanation

To determine which is a better antacid between sodium hydrogen carbonate (NaHCO₃) and magnesium hydroxide (Mg(OH)₂), we can analyze their properties and effects on stomach acidity.

### Step-by-Step Solution:

1. **Definition of Antacid**:
Antacids are substances that neutralize stomach acidity. They are commonly used to relieve heartburn and indigestion.

2. **Properties of Sodium Hydrogen Carbonate (NaHCO₃)**:
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