The flame of the candle has 3 zones. The outer zone is blue, the middle zone is yellow and the inner zone is black. Which one is correct in the given statements?

The outer zone is least hot

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The middle zone is moderately hot

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The inner zone is least hot

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All the zones have same temperature

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Solution

The correct option is C The outer zone is least hot
Inner most zone of flame is of unburnt wax vapours, and is the least hot part of the flame.

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Similar questions

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

Column A	Column B	Column C
(a) Hottest part	(i) Innermost zone of unburnt wax vapors	(x) blue
(b) Moderately hot	(ii) Middle zone of partial combustion	(y) black
(c) Least hot	(iii) Outer zone of complete combustion	(z) yellow

Name the various zones of a candle flame. Which zone (or part) of a candle flame is the least hot (or coldest) ?

The middle zone of a candle flame is also called the zone of ______ combustion.

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