Baking soda is

Options

A. NaCl
B. `NaHCO_(3)`
C. `Na_(2)SO_(4)`
D. `Na_(2)CO_(3)`

Answer

**Step-by-Step Text Solution:**

1. **Identify the Common Name**: Baking soda is commonly known as sodium bicarbonate.

2. **Write the Chemical Formula**: The chemical formula for sodium bicarbonate is NaHCO₃.

3. **Differentiate from Other Compounds**: It is important to distinguish sodium bicarbonate (NaHCO₃) from other sodium compounds:
- Sodium chloride (NaCl) is table salt.
- Sodium sulfate (Na₂SO₄) is a different compound.
- Sodium carbonate (Na₂CO₃) is also distinct from sodium bicarbonate.

4. **Conclusion**: Therefore, the correct identification of baking soda is NaHCO₃.

5. **Uses of Baking Soda**: Baking soda has several applications, including:
- It is used to relieve heartburn by neutralizing stomach acid.
- It can be used in mouthwash.
- It is a common ingredient in baking, helping baked goods rise.