Question

In a candle flame, what is the colour of: (a) innermost zone (b) middle zoneand (c) outer zone?

Answer 1

Answer:

innermost zone-dark black

middlemost zone-yellow

outermost zone-blue

Explanation:

outer most zone is black because it is hottest part and it's complete combustion and middle most is also hottest part and innermost zone is black and it's least hot.

Answer 2

Outer zone - blue

Middle zone - yellow

Inner zone - black

Explanation:

There are three zones in a candle flame. Each zone has different temperatures and different colours. Due to complete combustion, the outer zone is blue in color and it is the hottest. The yellow color region which is the bright part of the flame is the middle zone. It is moderately hot and partial combustion of fuel takes place. The least hot region of the flame is present innermost. This inner zone is black in color due to the presence of unburnt wax vapors.