Q. 493.7( 3 Votes )
Which of the followi
When a candle is lighted, the wax melts and converted into vapors. In candle, there is no provision for the proper mixing of wax vapors and air, so incomplete combustion occurs. And, some unburnt small carbon particles are produce which rise and get heated and glow to give out yellowish light. This makes the candle flame yellow and luminous.
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