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A)
i ii iii Zone of complete combustion Zone of partial combustion Zone of unburnt wax vapours
B)
i ii iii Zone of partial combustion Zone of unburnt wax vapours Zone of complete combustion
C)
i ii iii Zone of unburnt Wax vapours Zone of partial combustion Zone of complete combustion
D)
i ii iii Zone of complete combustion Zone of partial combustion Zone of unburnt Wax vapours
Correct Answer: C
Solution :
The candle flame consists of outermost zone, middle zone, and innermost zone. The outermost zone is the zone of complete combustion. It is blue in colour and is the hottest part of the flame. In the middle zone, partial combustion takes place. It appears yellow in colour. This zone is moderately hot. The innermost zone is the zone of unburnt wax. This zone appears black in colour. It is the least hot region of the flame. The correct answer is C.You need to login to perform this action.
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