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Green flame cuz when the air hole is closed it is yellow and when it is open it is blue so when the colors are combined they make the green flame
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∙ 12y ago
Amber Wheeler
Green flame
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Is a Bunsen flame hottest when the hole is open or close?
A Bunsen burner flame is hottest when the air valve hole is open.
What is the name of the flame when the air hole of a Bunsen burner is open?
Air hole fully open gives a 'roaring blue flame'
What happens to the temperature of the flame when the air hole is opened?
When the air hole is completely open, the flame is the hottest it can be. The fame turns blue. When the air hole is closed, the flame is yellow and its temperature is cooler.
Why it is dangerous to light a Bunsen burner with the air hole open?
With the air hole fully open, the flame will be fierce, but I doubt if it can be said to be dangerous. Simply close the air hole a little.
Why must you close the air hole of the Bunsen burner when you are not heating anything?
Because, with the air-hole open, the burner creates a pale blue, much hotter flame - which is difficult to see. Closing the hole creates a yellow flame which is easier to see.
What do you call a flame on a Bunsen burner when the air hole is half open?
air hole closed- flame is the standard yellow-orange color air hole half open- flame is a violet-blue color air hole open- roaring blue flame
What happens when a Bunsen burner air hole is half open?
When the air hole is opened completely then the flame would turn blue indicating it is very hot. If you closed it the flame will be yellow indicating that it is not as hot (also called the safety flame). So if you half opened the hole then the flame would be hot but not as hot as the blue flame, due to the air flow mixing with the gas inside.
Is the flame steady when the Bunsen burner's air hole is half open?
It is steady.
What happens when air hole in Bunsen burner is half open?
A hot flame is obtained (but not the hottest) with a color violet-white.
Is a Bunsen flame hottest when the hole is open or close?
A Bunsen burner flame is hottest when the air valve hole is open.
What are the names of the two Bunsen burner flames?
There are three: Safety flame: The hole is closed. Orange flame. Not too hot, Blue flame: Hole half open. Almost invisible. Hot. Used for heating liquids, Roaring blue flame: Hole open. Very hot blue part inside lighter coloured part. Used for heating solids.
What is the name of the flame when the air hole of a Bunsen burner is open?
Air hole fully open gives a 'roaring blue flame'
Why is the blue flame the hottest in science?
because you have the vents open on the bunsen burner the flame is getting more oxygen, making it hotter. Different flame types of Bunsen burner depending on flow through the throat holes (holes on the side of the Bunsen burner -- not to be confused with the needle valve for gas flow adjustment). 1) air hole closed (Safety flame used for when not in use or lighting). 2) air hole slightly open. 3) air hole half open. 4) air hole almost fully open (this is the roaring blue flame).
What is the colour of the Bunsen burner when it is halfway closed?
When the hole of a Bunsen burner is half closed (or half open) the flame is mostly blue-violet in color throughout, with no orange/yellow apparent as it would be with the hole fully closed. When the hole is fully open, the flame divides into a pale voilet color outer part with a cone of intense blue color within.
What is a gentle flame on a Bunsen burner?
A gentle flame is not too hot and not too cold, the air hole should be half open for a gentle flame and it makes a hissing sound. Hope this helps- :D xx
What Are The 4 Bunsen Burner Flames?
The four(4) flame types of Bunsen burner is depending on flow through the throat holes (holes on the side of the Bunsen burner -- not to be confused with the needle valve for gas flow adjustment). 1) air hole closed (Safety flame used for when not in use or lighting). 2) air hole slightly open. 3) air hole half open. 4) air hole almost fully open (this is the roaring blue flame).
What is the flame call when the air hole is not fully open?
You think probable to a diffusion flame.
