What change will you observe if you test soap with litmus paper (red and blue)?

Explanation

To determine the change observed when testing soap with litmus paper, follow these steps:

### Step-by-Step Solution:

1. **Understand the Nature of Soap**:
- Soap is a basic compound. It is formed through the saponification process, which involves the reaction of fats or oils with a strong base, typically sodium hydroxide (NaOH).

2. **Know the Properties of Litmus Paper**:
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