Middle zone is the hottest zone of a flame.
Flame:
Which zone of a candle flame is the hottest ?
In a candle flame, what is the colour of : (a) innermost zone (b) middle zone, and (c) outer zone ?
(a) Make a labelled diagram of a candle flame:
(b) What makes the middle zone of a candle flame luminous (or light-giving) ?
The outermost zone of a candle flame is the :
(a) least hot part
(b) coldest part
(c) hottest part
(d) moderately hot part