Q15 of 87 Page 105

In a candle flame, what is the colour of: (a) innermost zone (b) middle zoneand (c) outer zone?

(a) innermost zone- The Innermost zone of a flame is dark or black

(b) middle zone- The middle zone of a flame is yellow


(c) outer zone- The outer zone of a flame is blue. It is a non-luminous zone


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