Its a mixture
Its a mixture
Pencil 'lead' does not contain crystals. It is a mixture of the element carbon (in the form of graphite) and clay.
The lead in a pencil is mostly a mixture of powdered graphite and clay.
Heterogeneous
we get lead of pencil from the mixture of clay and graphite
Its a mixture
Its a mixture
Pencil lead is actually not lead (Pb) at all, but it is graphite. And graphite is simply carbons atoms. So, no, it is NOT a compound mixture.
Pure
No, there has never been any real lead in pencil lead. It is a mixture of graphite (carbon) and clay.
Pencil lead is a mixture of graphite (or other colored pigment) and a binder (e.g. clay, wax, plastic, grease).
Pencil 'lead' does not contain crystals. It is a mixture of the element carbon (in the form of graphite) and clay.
The lead in a pencil is mostly a mixture of powdered graphite and clay.
Heterogeneous
'Lead' pencils never contained any lead. They are made of a mixture of graphite and clay.
The material that made pencil to write is a mixture of graphite.