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प्रश्न
State the precautions while preparing oxygen in the labo-ratory.
टीपा लिहा
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उत्तर
The various precautions are :
- Donot collect the first-few bubbles of the gas produced as it is the air in the delivery tube which is driven out
- Method of collection of gas should be appropriate Arundeep’s M.S. Chemistry-7th 126
- Keep all inflammable and bummg apparatus away as oxygen is j a supporter of conbustion.
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Properties of Oxygen
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