The process of changing of water into its vapour is called_______

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the name of the process in which water changes into its vapor.

2. **Identifying the Process**: The process of changing water into vapor is a common phenomenon that occurs in nature and can happen at various temperatures.

3. **Defining the Process**: The specific term used to describe this process is "evaporation."

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