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What is the percentage of lead in the lead pencil you are using?
A typical lead pencil does not actually contain lead. The "lead" in a pencil is made of graphite, which is a crystalline form of carbon. Therefore, there is 0% lead in a lead pencil.
Is pencil lead is Pb free?
There is no lead in pencil - Pencil is made from graphite
Is pencil lead solution?
Pencil lead is a compound
Is a pencil poison?
If your asking if the pencil has Lead, then the answer is that most pencils do NOT have lead in them anymore.
Which has the most lead aluminum or pencil lead?
Pencil lead isn't really lead, it is graphite, a form of carbon. Pencil lead doesn't have any lead in it whatsoever.
What is lead of a pencil?
Pencil lead is made of graphite and clay. Newer recipes for pencil lead use waxy polymers to bind the graphite to produce a lead that does not snap when the pencil is flexed.
Which is thicker a 7mm or 9mm pencil lead?
A 9mm pencil lead is thicker than a 7mm pencil lead.
Is a pencil lead is insulator or conductor?
Pencil lead is a conductor.
How do they get lead out of pencil?
we get lead of pencil from the mixture of clay and graphite
Is it called a lead pen or a lead pencil?
lead pen because a lead pencil is a regular pencil.
Why it is wrong to say lead pencil 'lead pencil'?
Because there is no lead in them any more.
What type of pencil lead is erased cleanest?
a no. 1 pencil lead
