Question

hottest part of a flame is the _part option innermost,middle,outermost​

Answer 1

Answer:

inner most

Explanation:

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Answer 2

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Answer:

Hottest part of the flame is the outermost part(blue).

Explanation:

Let's understand the concepts of the flame by a candle flame(refer the attached picture also to understand better):

Innermost Part: This is the innermost part of the flame. It is the part closest to the wick. You might assume that this is the hottest part of the flame. However, it is the least hot. This is the black part of the flames that contains unburnt particles of the carbon from the wick i.e. unburnt fuel.

Middle Part: This is the biggest part of the flame. The colors in this are varying shades of yellow and orange. This is the luminous flame because it emits light. This part is also not extremely hot. This is because this part gets a limited supply of oxygen. So incomplete combustion takes place here. Which is why it burns orange and is luminous.

Outermost Part: Now this is the hottest part of the flame. This part has an unlimited supply of oxygen. So complete combustion takes place here. Hence it is the hottest part of the flame. Also, this part of the flames burns with a blue color. It is the non-luminous, i.e. does not emit light

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