Question

what is a part of a candle flome is luminous​

Answer 1

Answer:

The middle zone is yellow and luminous because As it is an oxygen-depleted zone, insufficient oxygen exists to burn all of the wax vapor. As such, partial combustion of wax takes place.

hope it helps you.

Answer 2

Answer:

The middle zone is yellow and luminous because As it is an oxygen- depleted zone, insufficient oxygen exists to burn all of the wax vapor. The outer zone is the area where the flame is the hottest and complete combustion of wax takes place.