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Question

If you watch a burning candle carefully, you will find different colurs in the flame. Which is the hottest part of the candle flame?
  1. The middle orange part
  2. The middle, yellow part
  3. The outermost portion that is blue
  4. The innermost black zone

A
The middle, yellow part
B
The outermost portion that is blue
C
The middle orange part
D
The innermost black zone
Solution
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The outermost portion is blue.
The hottest part of the candle flame is the blue part, Which is at about 1400oC i.e., the outermost portion, where the flame has the most oxygen for burning due to which complete combustion takes place.

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