Ammonia is found in many household products such as window cleaners. It turns red litmus blue. What is its nature ?

Explanation

To determine the nature of ammonia based on its effect on red litmus paper, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Litmus Paper**: Litmus paper is a natural indicator used to test the acidity or basicity of a solution. There are two types of litmus paper: red and blue. Red litmus paper turns blue in the presence of a base, while blue litmus paper turns red in the presence of an acid.

2. **Testing Ammonia**: When ammonia is introduced to red litmus paper, it changes the color of the paper from red to blue.

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