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.
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Watch out for the fire as it might burn the equipment
It should be placed on a Safety Heat Proof Mat on to a gauze and then on to a tripod.
A Bunsen Burner. ******************* Safety glasses
Asbestos does not burn and insulates. If the Bunsen burner should tip over or the material being heated by the burner should drop, the asbestos will protect the tabel underneath. Certain forms of asbestos have been found to be ealth hazards so now most often other minerals are used in the insulating mats in laboratories.
You have to relight the Bunsen Burner every time you use it.
when you light up the burner you should see that the Bunsen burners air hole is closed that is the safest flame
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.
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Safety 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.
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Watch out for the fire as it might burn the equipment
If you light the burner from the top, the lighting instrument will be blowin out by the force of the gas.
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.
because.
ring stand ths it son