Question

Which is the hottest part of a candle flame? ​

Answer 1

The blue coloured part of the flame is the hottest.

Here, most says middle or outer part but the hottest part of flames varies therefore the hottest part of the flames is the Blue coloured part.

The blue part is the hottest because the blue colour shows the complete combustion of a fuel as a result high temperature.

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Answer 2

Answer:

Blue coloured part is the hottest part.