Explain the different zones of a flame with the help of a neat and well labelled diagram.

 The different zones of a flame are given below:

1. The innermost zone is the dark zone. It contains unburnt vapours of wax.
2. The second zone is the yellow zone where incomplete combustion takes place. It is known as the luminous zone.
3. The thin outermost zone of the flame is blue in colour and complete combustion takes place. This is the non-luminous zone

The labeled diagram of a candle flame is shown below:

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Updated on: 16-Mar-2023

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