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Why cant you heat something close to the barrel of a Bunsen burner?
Wiki User
∙ 11y ago
Because that is just cold unburnt gas
Wiki User
∙ 11y ago
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Why is it no use trying to heat something too close to the opening chimney of a Bunsen burner?
because it wont work!
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.
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.
Why is it safer to close the air holes to obtain a luminous flame?
When the air hole on a Bunsen burner is closed, air is excluded, so the flame becomes a yellowish candle-like flame.
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.
What piece of the Bunsen burner has to be moved to change the type of flame useds?
To change the flame of a Bunsen burner you must open or close the air valve, usually this is done by rotating the barrel.
What is the movable part of a Bunsen burner?
To change the flame of a Bunsen burner you must open or close the air valve, usually this is done by rotating the barrel.
What are the parts of a Bunsen burner and their function?
collar for turning to close and open the air hole air hole for allowing oxygen to mix with the gas barrel for the gas to go up gas hose for allowing gas into the Bunsen burner
Why is it no use trying to heat something too close to the opening of a Bunsen burner?
because it wont work!
Why is it no use trying to heat something too close to the opening chimney of a Bunsen burner?
because it wont work!
Bunsen burner parts and function?
collar for turning to close and open the air hole air hole for allowing oxygen to mix with the gas barrel for the gas to go up gas hose for allowing gas into the Bunsen burner i hope i understood the question right?
How do you change the flame on a Bunsen burner?
To change the flame on a Bunsen burner you need only to open or close the air valve to change the combustion reaction.
Function Bunsen burner?
A Bunsen burner focuses a lot of heat straight upward, instead of outward. This allows you to heat something up at close range without your hand or anything else getting too hot. Most Bunsen burners have a valve that controls gas flow and adjustable vents where you can control the amount of air that feeds the flame. Bunsen burners are a safe, practical way to apply heat in a chemistry lab.
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 dos a Bunsen burner do when the air hole is clos?
When you close the air valve of a Bunsen burner the flame turns yellow due to incomplete combustion and the ignition of carbon particles (soot).
Why is it no use to heat something close the chimney of a Bunsen burner?
It will not burn.
How can you make a safety flame on a Bunsen burner?
close the air hole by twisting the collar
