Testing for Gases

The Test for Oxygen Gas, O2(g).

1)  Oxygen gas has no colour or smell.

2)  Oxygen gas has no effect on moist litmus paper
or moist
universal indicator paper - it is neutral.

3)  Oxygen gas will relight a glowing splint.

 

Specific Test for Oxygen Gas.

Only oxygen gas will support burning.
It is the only gas that will relight a glowing splint.

 

Collecting Oxygen Gas.

Oxygen gas can be collected over water or using a gas syringe.

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