Question

Describe the various zone of a flame

Answer 1

There are four zones in flame:
1.) non-luminous zone: the outermost zone of the candle flame is called the non-luminous zone. It surrounds the entire flame
2.) luminous zone- this is the hottest part of the flame. Inside this zone is a yellow part of the flame called luminous zone
3) dark zone: some carbon particles are left unburnt which get hot and glow emitting yellow light . Just around the wick is dark zone
4.) blue zone- in this area no oxygen is available for the burning to take place

Answer 2

Answer:

a flame has 4zones in it :-

a)the outermost thin faint blush non luminus region of complete combustion . it is the hottest zone of tge flame .

b)the middle bright luminous zone of partial combustion . it is the moderately hot zone .

c)the innermost , coldest dark zone , consists of hot vapour and called as zone of no combustion .

d)blue zone near the bottom of flame is due to burning of carbon monoxide . carbon is formed due to incomplete combustion .

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