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You have to turn off the gas tap immediately.
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∙ 12y ago
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What are the points to note in using the Bunsen burner?
- Never leave the gas on when the flame is out- never put anything you don't intend to heat- ensure the tube is arranged properly as if it is turning here and there, the gas might just be stucked somewhere and there will not be any fire burning- never touch the collar(the neck) as it is very hot and when it strikes back at the gashole, off the gas immediately.
What do scientists do when they get different data after repeating an investigation?
Usually a simple selection method like eeni meeni miini mo, unless of course someone else or other people are present; In that instance they would simply perform the stair trick routine behind their workbench where, once 'downstairs' they would quickly take to the conflicting results (which disproved what they thought they had proven) with a bunsen burner, gas tap turned to high; Returning back 'up the stairs' a triumphant powerfully intelligent individual with a big secret.
Why should you fasten long hair back in the science lab?
Bunsen burners. Fire. long flammable hair. Bad idea. Harsh chemicals. delicate hair.Bad idea. You may not look amazing with your hair tied back but its potentially dangerous. The teachers may seem strict but if your hair goes on fire and they haven't told you to tie it back then they could get in trouble.
If 2 unstoppable indistructable objects hit head on what would happen?
They would bounce back in the opposite direction.
What would happen to a wall if you push on it with a force of 10N?
It pushes back with an equal force (10 N). If it can not, then it falls over.
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.
When did Chaos Strikes Back happen?
Chaos Strikes Back happened in 1989.
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
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.
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
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
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 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 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.
What are the points to note in using the Bunsen burner?
- Never leave the gas on when the flame is out- never put anything you don't intend to heat- ensure the tube is arranged properly as if it is turning here and there, the gas might just be stucked somewhere and there will not be any fire burning- never touch the collar(the neck) as it is very hot and when it strikes back at the gashole, off the gas immediately.
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.
What should you do with long hair during an experiment?
you should tie it back so it doesn't get caught in anything or get chemicals on it. To add to the earlier answer, you don't want to see the result of hair going into a bunsen burner
