Which experiment is generally used to demonstrate the anomalous expansion of water.

Explanation

### Step-by-Step Solution:

1. **Understanding Anomalous Expansion of Water**:
- Anomalous expansion of water refers to the unique property of water where it expands upon freezing, unlike most substances that contract. This means that water reaches its maximum density at 4 degrees Celsius.

2. **Significance of the Property**:
- The significance of this property is that ice, which forms when water freezes, is less dense than liquid water. This is why ice floats on water.

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