Question

5. Draw a labelled diagram of a candle flame and explain what happens in each zone.​

Answer 1

Answer:

Explanation:

There are three zones in a candle flame. All these three zones have different colour and temperatures.

Outer zone

• This is the first zone
• This zone is blue in colour
• This is the non-luminous part of the flame
• In the outer zone, complete combustion of fuel takes place.
• This zone is the hottest in temperature when compared to the other zones

Middle zone

• This is the second zone
• This zone is blue in colour
• This zone is moderately hot
• In the middle zone, partial combustion of fuel takes place.

Inner zone

• This is the third and the innermost zone
• This zone is black due to the presence of unburnt wax vapours