why Covering the crucible with its lid as soon as the magnesium starts burning
Oil from the fingers can contamine the surface of the crucible and lid
it is critical to set the lid just off the lip of the crucible to allow the evolved water molecules to escape on heating.
So you dont burn your self
you should :)
why Covering the crucible with its lid as soon as the magnesium starts burning
is used to hold substances and heat on a hot plate. The lid covers the bowl so nothing excapes.
Oil from the fingers can contamine the surface of the crucible and lid
it is critical to set the lid just off the lip of the crucible to allow the evolved water molecules to escape on heating.
So you dont burn your self
If not the substances or chemical in the crucible will flow out and drip onto the table
Its called a crucible or a crucible with lid hopes this helps!
Crucible
A crucible is a container that is able to withstand very high temperatures. The most common function of a crucible is to hold metal that is melted and formed into new materials.
a crucible with the lid slightly ajar :-)
you should :)
To hold your crucible remotely, This is useful when you want to burn the contents of your crucible without getting burned.