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To make it harder. Pure graphite would be too soft for use as a writing pencil.
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∙ 11y ago
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What is graphite an ore of?
Graphite is the main ore of pencil lead.
How many types of pencils?
At the moment you can obtain 3 different varieties: the traditional one (graphite refill encapsulated inside a wooden wrapper of cedar), the propelling pencil (pens with very fine refills of graphite) or the bar pencil (Similar to the propelling pencils but with thicker and more resistant graphite bars. Approx.. 5-9 mm in diameter).
What does clay and straw mixed together create?
you
How does graphite look like?
Graphite is a gray carbon based substance used in pencil lead. Graphite has a lattice like structure and is arranged in layers so as to be easily rubbed apart unlike diamond which is a more interlocking structure of pure carbon and is extremely hard and unmalleble.
Where does Babylonian myth say life came from?
Clay mixed with blood of the gods.
What mineral is mixed with clay then made into pencil led?
Graphite.
What is the Use of graphite powder?
Graphite is used as a lubricant and, mixed with clay, in pencil lead.
What mineral when mixed with clay is used to make pencil lead?
Graphite, a form of carbon
This mineral when mixed with clay is used to make pencil lead and also used for a oil?
The mineral is graphite.
Is pencil lead a compound or an element or an homogeneous mixture or a heterogeneous 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.
Which element is present in pencil?
The grey or black core of a pencil is made of graphite which is a form (known as an allotrope) of the element carbon. To vary the hardness of the 'lead' in the pencil the graphite may be mixed with clay or some other substances.
How do they get lead out of pencil?
we get lead of pencil from the mixture of clay and graphite
How is the graphite of a pencil made?
The graphite is a powdered form of carbon. This is mixed with various types of clay, and water and shaped into spaghetti-like strings which are then baked in a kiln.
What is the scientific name of pencil?
there is not a scientific name for graphite
A soft mineral that you uses each time to write a pencil is?
Graphite is a soft form of carbon used in pencils. The graphite is mixed with clay, which also contain minerals,
What is a pencil lead made out of?
A pencil consists of a thin stick of pigment (usually graphite, but can also be coloured pigment or charcoal) and clay, usually encased in a thin wood cylinder, though paper and plastic sheaths are also used. (Lead) from a pencil is actually graphite which is 100% carbon Graphite and carbon black, all elementary Carbon (C)
Graphite is used in pencils?
Graphite mixed with china clay.
