Gas has to be above a certain temperature before it burns.
The diagram shows two similar wire gauzes, one made of iron wire and one made of copper wire.
Each is held over a Bunsen burner. When the gas supply is turned on and ignited below the gauze, the
effect is as shown in the diagram.
copper gauze
iron gauze.
Observation:
flame appears both
above and below
the gauze.
Observation:
flame only
appears below
the gauze
How can these observations be explained?
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Answer:
please mention the diagram along with the question so that we can explain well
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