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Why should the air hole be open when heating objects with a Bunsen burner?
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Why should you light a Bunsen burner from the side and not the top?
If you light the burner from the top, the lighting instrument will be blowin out by the force of the gas.
Why you should not use a piece of burning paper to light the Bunsen burner?
the gas from the Bunsen burner will cause the existing flame to flare and burn the entire piece of paper and your fingers - and the lab. it's difficult to blow out the burning paper.
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 is a Bunsen burner flame at its hottest and why?
When it is on a blue flame because the blue flame is hotter than the yellow flame due to the mixture of air and gas. Im Year 7 Guys you should know this!
Why should you leave a lighted Bunsen with the air hole closed?
Because if the air hole was wide open, the flame will be blue, which is going to be really hot so you have to leave it at a safety yellow flame which is when the air hole is closed when lit. It could be dangerous to leave a Bunsen burner on a blue flame. this is confusing, explain more clearly, geez is dat too much to ask?
'when should the Bunsen burner flame be used'?
This is not a very well worded question. What do you mean by why should it be used? I Bunsen burner is used for heating things, usually in a lab setting.
When heating a substance over a Bunsen burner where should the object be placed for the most efficient heating?
When heating a substance over a Bunsen burner the iron clamp for test tubes or the wire gauze is placed on top of the iron ring for beakers.
When heating a substance over a bunsen burner where should the object be placed for most efficient heating?
over a blue flame
When your heating a beaker of water when you have to go and get some extra equpiment what should you do with the Bunsen burner?
because.
Why should the yellow Bunsen burner flame not be used for heating?
because it isnt hot enough and will leave soot on the bottom of the thing you are heating
WHY should you not relight the Bunsen burner?
You have to relight the Bunsen Burner every time you use it.
When heating a test tube one should always use this piece of safety equipment?
A Bunsen Burner. ******************* Safety glasses
Why should a lit Bunsen burner never be left unattended?
It is dangerous as other people may just place their hand or other objects over the Bunsen burner causing injuries or burns, especially if it is a non-luminous flame which makes it difficult to tell that the burner is actually lit. You should always switch off the Bunsen burner before leaving to prevent injuries to others and yourself.
Is direct heating using Bunsen burner flame advisble when evaporating the soduim cholride solution?
As long as the solution is a water-based solution, it should be fine. You should never ever use a Bunsen burner to heat a flammable liquid such as alcohol, ether, acetone, etc.
What should be handled directly after being over a Bunsen burner?
the iron ring, the wire mesh over the ring, the beaker or whatever else was being heated. There are special tongs for most types of glassware or porcelain objects that are heated over a Bunsen burner.
What is the safest flame on a Bunsen burner?
when you light up the burner you should see that the Bunsen burners air hole is closed that is the safest flame
Why should a lit Bunsen burner never be near alcohol?
no
