Question

State the precautions while preparing oxygen in the labo-ratory.

Answer 1

The various precautions are :

1. Donot collect the first-few bubbles of the gas produced as it is the air in the delivery tube which is driven out
2. Method of collection of gas should be appropriate Arundeep’s M.S. Chemistry-7th 126
3. Keep all inflammable and bummg apparatus away as oxygen is j a supporter of conbustion.