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because of the gravity of the sun

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10y ago
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12y ago

Down inside just below the air hole, at the gas nozzle inlet.

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6y ago

This is when the gas is burning at the nozzle at the base of the chimney, rather than at the top. Switch off the gas supply and start again.

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Q: What causes strike back in a Bunsen burner?
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When Bunsen burner strike back why is the collar so hot?

strike back occurs when the air hole is opened to big or fully opened hence too much air enters and burns causing a strike back and the collar would be the hottest part of the burner during strike back


Why do you need to ensure that the air hole is closed before you light the bunsen burner?

it's to prevent a strike-back


Why is a strike back dangerous?

The bunsen burner is very hot and you may burn yourself. Wait for it to cool down and then light it again


What causes a strike back flame?

It occurs when you did not fully close the air-hole on lighting up your Bunsen burner. Flames are observed to be green and it also produces a soot. Therefore we should immediately turn off the gas supply as the unburnt gas would fill the air, making the room flammable.


What must one do when a strike back occurs?

When strike back occurs, the first thing that one must do is backup to avoid getting burned or seriously injured. After it subsides, the person should close the burner and switch off the gas cock.


Why is it important that you should tie your hair back when using a Bunsen burner?

It is important to pull your hair back when using a Bunsen burner to prevent it from coming into contact with the open flame and igniting your hair.You are instructed to pull back your hair when using a Bunsen burner to prevent your hair from coming into contact with the open flame and catching your hair aflame.


How will you prevent a burner to strike back?

how will you prevent a burner from striking back


What will happen when the Bunsen burner strikes back?

You have to turn off the gas tap immediately.


What is turned to used to change the type of flame a Bunsen burner produces?

You would turn the collar on a Bunsen Burner so that the holes are exposing the flame to more oxygen to produce a blue flame. Close the holes by turning the collar to turn it back to the yellow (dirty) flame.


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.


What are safety precautions for a flame test?

stand up so the Bunsen Burner does not fall over tie hair back use a safety mat turn of after use


What safety precautions should be taken for a flame test lab?

You should tie your back if you have long hair, make sure that the bunsen burner is standing up nice and sturdy and turn it off after using.