Answer:
Candle Flame Different Zones
The first zone is called the Outer zone.
The second zone is called the Middle zone.
The third zone is called as Inner zone.
There are three zones in flame, viz. outer zone, middle zone and inner zone. Outer Zone: This zone is blue in colour. It is the hottest part of the flame, because complete combustion takes place in this zone.
Explanation:
Column I Column II
(a) Hottest zone of a candle flame Zone of unburnt wax vapours
(b) Yellow zone of a candle flame Non-luminous zone
(c) Black innermost zone of the candle flame Incomplete combustion zone
