Question

what are the characteristics of middle zone of a candle flame

Answer 1

The middle zone of a flame is yellow:It is bright and luminous.The fuel vapours burn partially in the middle zone because there is not enough air of burning in this zone.The partial burning of fuel in the middle zone produces carbon particles.These carbon particles then leave the flame as smoke and soot.

Answer 2

Answer:

The zone in the middle of the flame is called a middle zone. This zone is yellowish in colour and moderately hot as the wax vapour burns partially. This zone is the Luminous zone because of partial combustion of carbon produces glow.

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