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The blue flame of the Bunsen burner is when it is hottest. The yellow flame is the safety flame. you should always start the burner on the safety flame which is produced when the holes on its base are closed.
Safety flame
It is closed to make a safety flame.
The yellow flame because that is the safety flame
close the air hole by twisting the collar
The blue flame of the Bunsen burner is when it is hottest. The yellow flame is the safety flame. you should always start the burner on the safety flame which is produced when the holes on its base are closed.
As a safety flame, keep it on this if the burner is not in use :)
Eye goggle and matches and a chair
In the fire
Safety flame
it is safe
You need safety goggles
When you have to leave your Bunsen burner but need to keep it alight.
i need a answer
It is closed to make a safety flame.
NOTHING
The yellow flame because that is the safety flame