Question

Give one chemical test to distinguish oxygen from nitrous oxide

Answer 1

Glowing splint test

Answer 2

Glowing splint test is test to distinguish oxygen from nitrous oxide

in this test, splint which is a long wooden stick is ignited already at one end

Now this burning end is brought closer to the mouth of flask in which oxygen is trapped by closing it's mouth

If that burning end glows and burns more then it's confirmed that oxyen is present