The yellow flame in a Bunsen burner can be as hot as 1000 degrees in centigrade scale.
A bunsen burner with any flame is dangerous, because fire is hot! But, blue flames are hotter than yellow flames.
The most efficient flame that a Bunsen burner can produce should be pale light blue, and almost invisible. A yellow or luminous flame should be avoided as it isn't as hot as the blue flame and leaves sut.
A yellow flame is the least hottest of all. A blue flame is the hottest. Therefore, it is safest to have a yellow flame, as it is not extremely hot, relative to the other colors of flame.
1,570 C
A Bunsen burner is made out of metal so the tube it has does not melt when the flame gets very hot.
A bunsen burner with any flame is dangerous, because fire is hot! But, blue flames are hotter than yellow flames.
The most efficient flame that a Bunsen burner can produce should be pale light blue, and almost invisible. A yellow or luminous flame should be avoided as it isn't as hot as the blue flame and leaves sut.
Safety. The yellow flame is easier to see and burns much less hot.
A yellow flame is the least hottest of all. A blue flame is the hottest. Therefore, it is safest to have a yellow flame, as it is not extremely hot, relative to the other colors of flame.
1,570 C
The "air-hole" of a bunsen burner allows some of the flame to escape so that the heating flame does not become too hot. A flame that is too hot can damage laboratory equipment. When the air hole is closed it is a yellow sooty flame like the fires we have at home.
A Bunsen burner is made out of metal so the tube it has does not melt when the flame gets very hot.
A Bunsen Burner
Blue and purple
The function of the Bunsen burner air hole is to adjust the flame from a luminious flame to a non-luminious flame.So that you can choose if you want a dirty flame {yellow} or hot flame {{blue}}. The yellow flame is generally called dirty because of the amount of carbon it produces and it causes soot when it is heating something.For more information about busen burner,You can add Ruoyu Wang at facebook.He is a expert of this.
Very hot. 70-100 degrees celcius. HOT!
because it isnt hot enough and will leave soot on the bottom of the thing you are heating