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When a Bunsen burner is lit below wire gauze, it is noted the flame initially burns below the gauze as shown in the diagram below. After sometime, the flame burns...

      

When a Bunsen burner is lit below wire gauze, it is noted the flame initially burns below the gauze
as shown in the figure below.
After sometime, the flame burns below as well as above the gauze as shown in
fig72152019948.png
Explain this observation

  

Answers


Kavungya
Initially the air above the graze has not reached the ignition temperatures after sometime the heat from the graze raises the temperature above it to its ignition temperature.
Kavungya answered the question on May 21, 2019 at 06:49


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