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Does the blue flame on a Bunsen burner need the air hole open or shut?
Wiki User
∙ 7y ago
It needs to be open to create the hot, blue flame that roars. If the air hole is shut, the flame will burn yellow, similar to a candle.
Wiki User
∙ 7y ago
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The uses of Bunsen burner?
To heat chemicals or substances in science lab for experiment. There is an air hole in the Bunsen burner where you can screw loose to have open air hole that is the blue flame which is hotter. When there is a close air hole then the flame would be orange in color which is not as hot compared to the blue flame.
What type of flame the Bunsen burner would have with air hole open gas top full on?
Blue or heating flame.
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).
Parts of a Bunsen burner?
The parts of a Bunsen burner has collar,base.air hole and barrel. Collar : Adjust size of air hole Base: Support Bunsen Burner Air hole: Allow air to enter air hole Barrel:To ensure the flame is adjusted to a suitable position
When you are not using a Bunsen burner but wish to leave the flame on you should always leave the air hole closed why?
It is less hot
How do you make a roaring flame on the Bunsen burner?
To get a roaring (blue) flame you simply turn the sleeve on the Bunsen burner's chimney to completely open the air hole under it. The new blue flame will be hard to see so close the air hole afterwards to make a visible flame.
Do you close the ear hole to get a yellow or blue flame after a Bunsen burner has been lit?
blue
The uses of Bunsen burner?
To heat chemicals or substances in science lab for experiment. There is an air hole in the Bunsen burner where you can screw loose to have open air hole that is the blue flame which is hotter. When there is a close air hole then the flame would be orange in color which is not as hot compared to the blue flame.
Is The tip of the blue cone is the coolest part of the Bunsen burner?
The tip of the blue cone is the hottest part of the Bunsen burner flame.
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 is the colour of the flame when the hole is fully open on a Bunsen burner?
Take a guess, Blue or Yellow
What type of flame the Bunsen burner would have with air hole open gas top full on?
Blue or heating flame.
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 safest flame on a Bunsen burner?
when you light up the burner you should see that the Bunsen burners air hole is closed that is the safest flame
What are the two colors of a Bunsen burner flame?
The two colours are yellow - when the air-hole is open, and blue - when the air-hole is closed.
Color of flame in a complete combustion of gas from Bunsen burner?
When the air hole is covered on the Bunsen Burner its oxygen supply is made smaller. This makes the flame turn YELLOW - This is considered to be the safety flame as it is the most visible to the eye and it radiates less heat. When the Bunsen burners air hole is fully open there is a super heated blue flame which is the product of complete combustion. Hope this helped :)
What was the feature that allowed the Bunsen burner to get a hot flame?
Robert Bunsen added an air hole to it so it could have oxygen as well as gas. when the air hole is open the flame you get is blue and is hotter than when the air hole is closed, which then gives a yellow flame.
