Why can't rectified spirit be converted into absolute by simple distillation?

Explanation

To understand why rectified spirit cannot be converted into absolute alcohol by simple distillation, we can break down the explanation into several steps:

### Step-by-Step Solution:

1. **Definition of Rectified Spirit**:
- Rectified spirit is a mixture that typically contains about 95% ethanol (ethyl alcohol) and 5% water.

2. **Understanding Absolute Alcohol**:
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