Question

does oxygen finish when it supports combustion

Answer 1

In practice, burning ends before all the oxygen is expended, some of the oxygen turns to carbon monoxide, which is not absorbed by the alkali, and some of the air leaves the bottle as a result of thermal expansion.

Answer 2

Answer:

Yes, the flame uses oxygen during combustion.So,if the combustion takes place in a closed atmosphere then the oxygen will finish after some time

pls mark my answer as brainliest