Question

3) A student in the lab was provided with two jars one filled
with carbondioxide and another with oxygen in it. There
was a lighted candle placed in each jar simultaneously. He
was asked to observe in which jar the candle remained
burning for a longer time.
In which jar do you think the candle remained burning
why?​

Answer 1

Answer:

the candle in the jar with oxygen lasted longer

Explanation:

fire requires oxygen to burn

if the oxygen vanishes then fire would never burn out