Name the gas evolved in each of the following cases
Nitrogen dioxide gas is passed through potassium iodide solution.

Explanation

To determine the gas evolved when nitrogen dioxide gas is passed through potassium iodide solution, we can follow these steps:

### Step 1: Identify the Reactants
The reactants in this case are nitrogen dioxide (NO2) and potassium iodide (KI).

**Hint:** Look for the chemical formulas of the substances involved in the reaction.

### Step 2: Understand the Reaction
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