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प्रश्न
Give tests for oxygen gas.
टीपा लिहा
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उत्तर
Tests for oxygen gas are :
- It rekindles glowing wooden splinter.
- If mixed with colourless nitric oxide gas, it forms reddish brown fumes of nitrogen dioxide.
- It dissolves in alkaline pyrogallol solution and turns it brown.
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Properties of Oxygen
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