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Question

Match the following for the flame of a candle.​
Column A Column B (Zone) Column C (Colour)
(a) Hottest part (i) Innermost zone of unburnt wax vapours (x) Blue
(b) Moderately hot (ii) Middle zone of partial combustion (y) Black
(c) Least hot (iii) Outer zone of complete combustion (z) Yellow

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