Question

CHECKPOINT 2
Name the following.
a. A region where combustion of fuel takes place.
b. This zone is also called the zone of complete combustion.
c. The flame in this zone appears orange-yellow in colour.
d. It has a spindle-shaped flame.
e. The least hot zone of a candle flame.​

Answer 1

a. flame

b.outermost combustion

c.middle zone

d.ouutermost

e.innermost

I hope it helps u

Answer 2

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Heat reagion a

Heat reagion aBlue Zone b

Heat reagion aBlue Zone bYellow Zone c

Heat reagion aBlue Zone bYellow Zone cCandle d

Heat reagion aBlue Zone bYellow Zone cCandle dBlack Zone e