Question

Give one chemical test to distinguish oxygen from nitrous oxide

Answer 1

To distinguish between nitrous oxide and oxygen.
Ignite the candle and lower it to the bottom of the test tube into the N2O(g).  It will burn much longer than in air and will burn with an enlarged flame. Repeat the candle experiment with O2(g) you will observe dazzling combustion of a candle in the presence of oxygen. 


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Answer 2

Answer:

react with nitrogen(II) oxide

Explanation:

Nitrogen(I) oxide and oxygen gas both rekindle a glowing splinter. However, when you react oxygen with nitrogen(II) oxide, you get Nitrogen(IV) oxide which is a characteristic reddish brown gas but when you react Nitrogen(I) oxide and nitrogen(II) oxide, no reaction occurs.

In addition, nitrogen(I) oxide has a pleasant smell while oxygen is odorless

Please note: Nitrogen(I) oxide is the same as nitrous oxide, I just used the IUPAC name.