How would you distinguish experimentally between an alcohol and a carboxylic acid?

Explanation

To distinguish experimentally between an alcohol and a carboxylic acid, we can perform the following tests:

### Step-by-Step Solution:

**Step 1: Litmus Test**
- Take a sample of the substance you want to test (either the alcohol or the carboxylic acid).
- Dip a piece of blue litmus paper into the sample.
- Observe the color change:
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