Name the phenomenon involved : The formation of gas bubbles in a liquid during a reaction.

Explanation

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

1. **Understanding the Question**: The question asks for the name of the phenomenon that occurs when gas bubbles form in a liquid during a chemical reaction.

2. **Identifying the Phenomenon**: The specific phenomenon that describes the formation of gas bubbles in a liquid is known as "effervescence."

3. **Defining Effervescence**: Effervescence refers to the process where gas is released from a liquid, resulting in the formation of bubbles. This can occur during various chemical reactions.

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