How would you confirm that a colourless liquid given to you is pure water?

Explanation

To confirm that a colorless liquid is pure water, you can follow these steps:

### Step-by-Step Solution:

1. **Measure the Boiling Point**:
- Heat the liquid and measure its boiling point. Pure water should boil at 100 degrees Celsius (°C) at standard atmospheric pressure (1 atmosphere).

2. **Convert Boiling Point to Kelvin**:
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