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Question
Arrange the different zones of a flame in increasing order of their temperature.
Arrange the different zones of a flame in increasing order of their temperature.
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Solution
The correct option is B Innermost zone < Middle zone < Outermost zone
The innermost zone of a flame mostly has vapourised wax and very little combustion takes place there. So, its temperature is the least among all the zones of the flame.
The middle zone undergoes partial combustion due to a limited supply of oxygen and therefore has an intermediate temperature.
The outermost zone gets maximum oxygen supply and complete combustion takes place here. So, its temperature is the maximum among all the zones of the flame.
Therefore, the correct increasing order of the different zones of a flame based on their temperature is:
Innermost zone < Middle zone < Outermost zone
The innermost zone of a flame mostly has vapourised wax and very little combustion takes place there. So, its temperature is the least among all the zones of the flame.
The middle zone undergoes partial combustion due to a limited supply of oxygen and therefore has an intermediate temperature.
The outermost zone gets maximum oxygen supply and complete combustion takes place here. So, its temperature is the maximum among all the zones of the flame.
Therefore, the correct increasing order of the different zones of a flame based on their temperature is:
Innermost zone < Middle zone < Outermost zone
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