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Which pancil contains maximum amount of clay?
graphit
What is the formula for pencil lead?
The formula for pencil lead is a combination of graphite mixed with clay. The most common type contains graphite and clay in a ratio of approximately 80:20. The clay acts as a binder to hold the graphite together and determine the hardness of the lead.
Does pencil lead contain carbon?
Yes, pencil lead typically contains carbon along with a clay binder. The carbon provides the pigment for writing or drawing.
What makes pencil lead hard?
The graphite used in pencils is quite soft. Clay is added to the graphite to strengthen the 'lead' of the pencil. The amount of clay used changes the pencil's rating, with HB being the commonest, B2 being softer (darker marks), and H being harder (lighter marks).
How do they get lead out of pencil?
we get lead of pencil from the mixture of clay and graphite
Does pencil lead have coal in it?
No, modern pencil "lead" is actually made of a mixture of graphite and clay, not coal. Graphite is a form of carbon that is a good conductor of electricity and is commonly used in pencils due to its smooth writing properties.
IS A pencil a mechanical mixture or a solution or a pure substance?
Pure
What is a pencil lead made of?
Pencil "lead" is actually made of graphite, which is a form of carbon. The graphite is mixed with clay to give it form and strength. These mixture of graphite and clay are then encased in wood to create a pencil.
What is a pencil tip made of?
Pencil Tip is made of Lead, but nowadays it is usually made of Graphite.
What is in a pencil?
A pencil contains a substance that is called 'lead' but is made up of graphite and clay. It is encased in wood, usually cedar, but can also be made of paper, recycled wood fibers or even plastic. Colored pencils use different colors of clay and way to create the colors.
What is in the middle of a pencil?
The black stuff in the middle of the pencil is a mixture of graphite (an element that is mined) and clay.
What are the natural origins of the materials used in pencil?
The lead in a pencil is mostly a mixture of powdered graphite and clay.
