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This is a physical process.
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Why is erasing a pencil mark a physical or chemical change?
PHYSICAL
What instrument should you use if you find it necessary to mark up a map?
A Pencil
Lead pencil to mark chromatography paper?
Yes, better than ink!
What is a wax pencil and how is it used in chemistry?
A wax pencil (or grease pencil) is often used to label test tubes in a laboratory. Wax pencils are used to mark non-porous surfaces, like glass, and are easy to clean off for re-use (with warm, soapy water).
Why does it make a difference if you mark chromatography paper with a pencil and not with a flair or ink pen?
Because the ink from the pen will run and smear during the chromatography but the pencil mark is not affected.
Why is erasing a pencil mark a physical or chemical change?
PHYSICAL
Why does a pencil leave a mark on paper?
When a pencil is rubbed on paper fiction causes a small amount of the graphite from the core of the pencil to be left on the paper. This leaves a visible mark.
What has the author Mark Pencil written?
Mark Pencil has written: 'White Sulphur papers' -- subject(s): Springs, Health resorts
An MICR device senses the presence or absence of a mark such as a pencil mark?
False
What part of speech is the word pencil?
The word 'pencil' is a noun and a verb.The noun 'pencil' (pencils) is a word for a writing instrument.The verb 'pencil' (pencils, penciling, penciled) is to mark, draw, or write with with a pencil.
What does a 4N pencil mean on a pencil?
There is no 4N... 4H = Extremely Hard and will make a light mark. 4B = Extremely Bold and will make a thick and dark mark. HOPE THIS HELPS! :)
How long is the lifespan of pencil mark on paper?
The answer depends on a variety of variables, but the simplest is that barring further action on the pencil mark (rubbing, wear, etc), it will last as long as the paper.
How Can you leave scars on your wrists without cutting?
You can, like, with a pencil. Just do it hard enough, and it will mark. Just erase the pencil later on. And you can snap a rubber band onto the wrist. it will mark.
Is it a chemical change if you draw a picture with a pencil?
No, because graphite is structured in such a way that the layers glide. Whilst drawing with a pencil the layers are gliding which is leaving a mark on the paper, because the substances inside the pencil are being rubbed off. Hence, this is a physical change rather than a chemical change. The graphite remains graphite, the paper remains paper.
Can a pencil marking erase more than a color pencil?
if you have a good eraser yes. a good eraser will erase a lot of the colored pencil, but it will erase all of the normal pencil. it also depends on how dark the mark is.
What is the graphite of a pencil?
It is the part of the pencil that makes the mark on the paper. Pencils used to use lead for this but the lead has been replaced with graphite.
What is rubber made for?
at first the rubber is made to erase the pencil mark.
