How can you detect oxygen gas?

Explanation

To detect oxygen gas, you can follow these steps:

### Step-by-Step Solution:

1. **Use a Glowing Splinter**: Take a wooden splinter and ignite it until it catches fire. Allow it to burn for a few seconds and then blow out the flame, leaving the tip glowing red.

2. **Introduce the Splinter into the Gas**: Carefully place the glowing splinter into the container or area where you suspect oxygen gas is present.

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