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An air hole is a hole in any surface which allows air or other gases to pass through. It can also refer to an air pocket or the blowhole of a whale.
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∙ 9y ago
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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.
Why should the air hole be open when you heat substances with the Bunsen burner?
If the air hole is closed, no air is getting to the flame. Fire must have oxygen in order to burn.
What is the features of a safety flame?
air hole slightly open
What does striking back of burner means?
Striking back of a burner means that the burner's air hole is not open all the way. This causes an air shortage that needs to reach the gas. This results in too much air buildup through it, which causes the flame to burst out of the air hole.
How do you control the type of Bunsen flame?
Decide which flame to use. If the air hole on the Bunsen is open you will get a roaring flame a more gentle heat, close the air hole a Little flame will be quiet.
What covers air hole in a burner?
The function that covers the air hole in a Bunsen burner is the collar.
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 is it dangerous to light a Bunsen burner with a 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.
Is a hole lighter than air?
noMy AnswerYou have failed to define hole. As a hole is an area with nothing in it and you happen to mean a hole in the air the absence of air would create an volume lighter than air. Of course you need a structure to maintain the absence of air so currently that wont work as a balloon.
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.
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
What is air holes?
An air hole is a hole in any surface which allows air or other gases to pass through. It can also refer to an air pocket or the blowhole of a whale.
What is Erics nickname and why?
Air Hole
Why shuttle Columbia exploded in the air?
It exploded in the air due to a hole in the shuttle. Scientists later found that they were travelling in space with a hole in it.
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.
Why is the hole in an air gun chamber so small?
Because air molecules are very small and don't require a large hole
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'
