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Yellow/Orange. The blue one is harder to see and hotter.
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∙ 13y ago
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Which colour flame on Bunsen burner burns cleaner?
The blue flame.
What colour is a very hot flame on a Bunsen burner?
Blue and purple
Why can't you heat an object with the safety flame on a Bunsen burner?
Because it is 'dirty', meaning it leaves soot. Also because it isn't that hot.
How cold can a Bunsen burner flame be?
a Bunsen burner flame can be 20* to 2000*
What is another name for the Bunsen burner?
you would use the safety flame when not heating anything because the blue flame is for heating because its hotter than yellow.
Bunsen burner blue flame?
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.
What flame should the Bunsen burner be left on?
Safety flame
What is the yellow flame used for in a Bunsen burner?
As a safety flame, keep it on this if the burner is not in use :)
Which colour flame on Bunsen burner burns cleaner?
The blue flame.
What is the colour of a cool Bunsen burner flame?
It is yellow.
What is the color of a roaring flame on a Bunsen burner?
the colour of the roaring flame is blue
Which flame is not suitable for heating in Bunsen burner and why?
The yellow flame because that is the safety flame
Where is the hottest part on the safety flame on a Bunsen burner?
In the fire
Is the hole open or closed on a Bunsen burner to make a safety flame?
It is closed to make a safety flame.
What colour is a very hot flame on a Bunsen burner?
Blue and purple
Why can't you heat an object with the safety flame on a Bunsen burner?
Because it is 'dirty', meaning it leaves soot. Also because it isn't that hot.
How do you obtain a flame from a Bunsen burner?
You turn the air admittance ring at the base of the Bunsen burner until it is fully open. this allows the hottest flame to be produced and has a blue colour
