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Which was invented first ink pen or pencil?
The ink pen was invented before the pencil. The first ink pen dates back to ancient times, while the modern pencil as we know it today was developed in the 16th century.
Why should lines be drawn on the filter paper with a pencil not a pen?
Lines should be drawn on filter paper with a pencil instead of a pen because pencil lines are made of graphite which doesn't dissolve in the solvent used in chromatography. Pen ink may dissolve in the solvent, contaminating the sample and affecting the separation results.
What does a pen have that a pencil does not?
A pen uses ink to write, while a pencil uses graphite. Pens typically produce more permanent markings and cannot be easily erased like pencil markings.
What is the difference between a pen and a pencil?
A pen uses ink to write, while a pencil uses graphite pressed onto the surface to write. Pens usually provide a permanent mark, while pencils can be erased. Pens can come in various types like ballpoint, gel, or fountain pens, while pencils can be mechanical or traditional wood-cased.
What looks like a ink pen but uses pressure instead of ink to write?
A pencil looks like an ink pen but uses pressure from a graphite core to write instead of ink. The graphite is dispensed onto the paper as you apply pressure, simulating the writing action of an ink pen.
What is the difference between ink erasers and pencil erasers?
one erases pencil marks and the other erases pen ink
Which was invented first ink pen or pencil?
The ink pen was invented before the pencil. The first ink pen dates back to ancient times, while the modern pencil as we know it today was developed in the 16th century.
What was a pencil before the pencil was invented?
Ink mixed with ashes and oil. Charcoal was also used.
How do you do a drawing in pen and ink?
I have never used a pen and ink. I use a paint brush and a pencil.
Why is using a pen differ from writing with a pencil?
A pen uses ink while a pencil uses lead.
Why should Gary write the labels on paper in pencil why should he not write in ink?
With pencil you can erase, not with pen.
Why can't normal erasers erase ink?
Because the ink absorbs deeper into the paper than pencil does.
Why should lines be drawn on the filter paper with a pencil not a pen?
Lines should be drawn on filter paper with a pencil instead of a pen because pencil lines are made of graphite which doesn't dissolve in the solvent used in chromatography. Pen ink may dissolve in the solvent, contaminating the sample and affecting the separation results.
Why are TLC strips only marked with pencil?
Because ink will run.
What object doesn't use ink?
if your talking about writing utensils: a pencil
What other inventions led up to the pen?
Pencil, Feather+Ink.
Where do you find erasers that erase pencil lead and ink in Huntington IN?
Target
