Give reason for the following:
Hydrogen burns with a pop sound in air.

Explanation

To explain why hydrogen burns with a pop sound in air, we can break down the reasoning into a few key steps:

### Step-by-Step Solution:

1. **Understanding Hydrogen Combustion**:
- Hydrogen is a flammable gas that can react with oxygen in the air to produce water and release energy in the form of heat and light.

2. **Pure vs. Impure Hydrogen**:
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