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Make labeled diagram of a candle flame.
i. The part that is labelled 1 corresponds to .
ii. The part that is labelled 2 corresponds to .
iii. The part that is labelled 3 corresponds to .
iv. The part that is labelled 4 corresponds to .
v. The part that is labelled 5 corresponds to .
vi. The part that is labelled 6 corresponds to .
Answer variants:
Outer zone; partial combustion
Outer zone; complete combustion
Hottest part
Innermost zone; unburnt wax vapours
Moderately hot part
Least hot part
Innermost zone; complete combustion
Middle zone; partial combustion
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