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The following diagram represents a non-luminous flame of the Bunsen burner
a).Name the parts of the flame labeled A, B and C
b).Which of the parts in (a) above is the hottest?
c).A non-luminous flame is preferred for heating. Explain
d).i) Name the other type of flame produced by a Bunsen burner
ii) Under what conditions does the Bunsen burner produce the flame in d(i)?

Answer Text:
a).A-Pale blue zone
B-Green blue zone
C-Almost colorless zone
b).A
c). is very hot/hotter than luminous/does not produce soot.
d).i) Luminous flame
ii) When air hole is closed