Give the characteristic tests for the following gases
`H_(2)`

Explanation

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for the characteristic test for hydrogen gas (H₂). A characteristic test is a specific procedure that can confirm the presence of a particular gas.

2. **Identifying the Test for Hydrogen**: One of the most well-known tests for hydrogen gas is to observe its reaction when ignited. Hydrogen gas is highly flammable and will produce a distinct sound when it burns.

3. **Performing the Test**:
- **Gather Materials**: You will need a source of hydrogen gas and a burning candle or a lit match.
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