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IS A pencil a mechanical mixture or a solution or a pure substance?
Pure
What is black material present inside pencil?
The black material inside a pencil is called graphite. It is a form of carbon that leaves marks when applied to a surface, making it ideal for writing and drawing. Graphite is mixed with clay to create the core of a pencil.
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.
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.
What kind of substance is a pencil lead?
Pencil lead is typically made of graphite, a form of carbon. It is not actually lead, which is a toxic heavy metal. Graphite is a soft material that leaves a marks on paper when it is applied.
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.
Is pencil a substance?
no it is non pure substance
What is the black writing part of a pencil made out of?
The black writing part of a pencil, also known as the "lead," is actually made of graphite. It is a form of carbon that is commonly mixed with clay to create a substance that writes smoothly on paper.
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
Is pencil lead a mixture or a substance?
Its a mixture
What is the full form of an HB pencil?
Hard Black pencil.
Is pencil lead a mixture or pure substance?
Its a mixture
What is a hb pencil?
An HB pencil is just a No. 2 Pencil HB stands for Hard Black
Can you use a black pencil for eyeliner?
No, sadly you can't if you absolutely have to than make the black pencil wet very wet
IS A pencil a mechanical mixture or a solution or a pure substance?
Pure
What is a Mirado Black Warrior?
It is a pencil, painted black, made by Papermate.
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.
