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no it is non pure substance
What else can I help you with?
What is the black substance in a pencil?
The black substance in a pencil is called graphite. It is a form of carbon that is used in pencil cores because of its ability to leave marks on paper.
Is pencil lead a mixture or a substance?
Its a mixture
Is pencil lead a mixture or pure substance?
Its a mixture
IS A pencil a mechanical mixture or a solution or a pure substance?
Pure
What substance did Joseph Priestly name for its ability to erase pencil marks?
An eraser
How does a flexible pencil work?
A flexible pencil is made of a rubber-like material that allows it to bend without breaking. The pencil lead inside is typically surrounded by a rubbery substance that provides the flexibility. When pressure is applied, the pencil can bend easily.
Is a pencil eraser an example of matter?
Yes, a pencil eraser is an example of matter. Matter is anything that has mass and occupies space, and a pencil eraser fits this definition as it is a physical substance made up of atoms and molecules.
What are examples of water metal and pencil lead?
Water is a compound. A pure metal is an element. Graphite (a pencil lead) is the element carbon. These are all examples of a pure substance.
Which 2 elements combine together to form pencil lead?
Graphite and clay are the two elements that combine to form pencil lead. Clay is used as a binding agent, while graphite provides the writing substance in pencil lead.
What is the shiny black substance in pencils called?
The shiny black substance in pencils is called graphite. It is a form of carbon that is used for writing and drawing due to its ability to leave a mark on paper. Graphite is mixed with clay to create pencil lead, with the ratio determining the hardness or softness of the pencil.
Can pencil lead burn?
Pencil "lead" is actually made of graphite, which does not burn under normal conditions. The substance is used in pencils because it leaves a dark mark on paper, not because it is flammable.
What year was the eraser in?
On April 15, 1770, JosephPriestley described a vegetable gum which had the ability to rub out pencil marks: "I have seen a substance excellently adapted to the purpose of wiping from paper the mark of black lead pencil." He dubbed the substance rubberOther information here - http://en.wikipedia.org/wiki/Eraser
