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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 comes first in alphabetical order pen or lid pencil or pencil?
In alphabetical order, "lid" comes before "pen" and "pencil" comes before "pen."
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 lasts longer a pen or a pencil?
A pen generally lasts longer than a pencil because the ink in a pen typically lasts longer than the graphite in a pencil. Additionally, pens tend to be more durable and resistant to breakage compared to pencils.
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.
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.
What is the difference between ink erasers and pencil erasers?
one erases pencil marks and the other erases pen ink
In what year was the ink pen first invented?
The first patent ball point pen was made October 30, 1888 by Lewis Waterman but the first solid-ink fountain pen wasn't presented until 1907 by Parker Pen Company.
What other inventions led up to the pen?
Pencil, Feather+Ink.
Where was ball pen first created?
Slavoljub Eduard Penkala invented a solid-ink fountain pen in 1907 in germany
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.
Where can you find ink for a quill?
You can take some from a pen, or you can ask your nearest pen/pencil specialty store.
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 they write with in the 1930s?
Instead of pen or pencil, they use ink and feather or charcoal.
What comes first in alphabetical order pen or lid pencil or pencil?
In alphabetical order, "lid" comes before "pen" and "pencil" comes before "pen."
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.
