Question

zone of the candle flame is less not
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Answer 1

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This blue coloured zone is the non-luminous part of the flame. The yellow colour 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.

Answer 2

Answer:The yellow colour 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 due to the presence of unburnt wax vapours

Explanation: