Read the given passage and answer the following
questions.
Sanjana while preparing cake used baking soda in small amounts. It helps to make the cake soft land spongy. An aqueous solution of baking soda also turns red litmus blue. It is also used in soda acid extinguisher.
What is the chemical name for baking soda?

Options

A. Sodium carbonate
B. sodium bicarbonate
C. calcium carbonate
D. calcium bicarbonate.

Explanation

To find the chemical name for baking soda, we can follow these steps:

### Step 1: Identify the common name
Baking soda is commonly known as baking soda in culinary contexts.

### Step 2: Recall the chemical formula
The chemical formula for baking soda is NaHCO₃.

### Step 3: Determine the chemical name
The chemical name corresponding to the formula NaHCO₃ is sodium bicarbonate.

### Step 4: Confirm the options
We check the given options:
1. Sodium carbonate (Na₂CO₃) - Incorrect
2. Sodium bicarbonate (NaHCO₃) - Correct
3. Calcium carbonate (CaCO₃) - Incorrect
4. Calcium bicarbonate (Ca(HCO₃)₂) - Incorrect

### Conclusion
The correct answer is sodium bicarbonate.

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