Write a test to distinguish between:
hydrogen chloride and carbon dioxide

Explanation

To distinguish between hydrogen chloride (HCl) and carbon dioxide (CO2), we can perform two specific tests based on their chemical properties.

### Step-by-Step Solution:

**Step 1: Test for Hydrogen Chloride (HCl)**
1. Take a glass rod and dip it into a concentrated ammonia solution (NH3).
2. Bring the rod close to the gas sample.
3. Observe the formation of white fumes or a white solid deposition on the rod.
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