Opening and Closing of Air-hole in a Bunsen Burner

Question

(a) When the air-hole is fully open, the bunsen burner produces a non-luminous flame. Explain
(b) Draw a well labelled diagram of a non-luminous flame

Answer

(a) - The laboratory gas burns in excess oxygen OR - Burns completely producing only C0₂ and H₂0 OR - No Urbunt carbon remains OR - No soot is formed / produced
(b)

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Opening and Closing of Air-hole in a Bunsen Burner

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Opening and Closing of Air-hole in a Bunsen Burner

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