An acid which is used in soda wash and in aerated drinks is ____

Options

A. Citric acid
B. Carbonic acid
C. Acetic acid
D. Boric acid

Explanation

To solve the question "An acid which is used in soda wash and in aerated drinks is ____", we can follow these steps:

### Step 1: Identify the options provided
The options given are:
- Citric acid
- Carbonic acid
- Acetic acid
- Boric acid

### Step 2: Analyze each acid
1. **Citric Acid**:
- Chemical formula: C6H8O7
- Found in citrus fruits like lemons and oranges.
- Used mainly as a flavoring agent and preservative.
- **Conclusion**: Not used in soda wash or aerated drinks.

2. **Carbonic Acid**:
- Chemical formula: H2CO3
- Formed when carbon dioxide (CO2) dissolves in water.
- Responsible for the fizz in carbonated beverages.
- **Conclusion**: Used in soda wash and aerated drinks.

3. **Acetic Acid**:
- Chemical formula: C2H4O2
- Commonly known as vinegar.
- Used in food preservation and as a cleaning agent.
- **Conclusion**: Not used in soda wash or aerated drinks.

4. **Boric Acid**:
- Chemical formula: H3BO3
- Used in eyewash solutions and as a mild antiseptic.
- **Conclusion**: Not used in soda wash or aerated drinks.

### Step 3: Conclusion
Based on the analysis, the correct answer to the question is **Carbonic Acid**.

### Final Answer:
The acid which is used in soda wash and in aerated drinks is **Carbonic Acid**.

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