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well actually ... we use pens because they are so much easier than useing pencils! no lie n also they just slide better. but if your asking why we are using blue ink pens its b/c some colledge teachers are maybe color blind and think blue is black? or also the inventors probably made it bc it might be required in other schools and better to see
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∙ 12y ago
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Why were pens made?
Pens were made due to demands of users for better writing. Pen is of two types in which first is ballpoint pen and second is ink pen. A ballpoint pen is a writing instrument that dispenses ink via a metallic sphere at the pen's tip but its ink cannot refill. Ink pen is refill again and again using ink from ink pot.This ink is manufactured by combining a variety of chemicals, which are then mixed together and heated or cooled in order to facilitate the necessary chemical combinations.
Why were pens invented?
The fountain pen was created for non-time consuming reasons. The quill pen needed constant dipping into ink unlike the fountain pen. This saved more time and less ink spills which the ink well caused a lot.
What happens when water touches ink?
When you mix water with ink, the bubbles will go down to the bottom of the bottle and spin around. It may change colours like yellow, green, red or blue. There is no answer for this. It will make a interesting chemical reaction. Scientists are looking for a solution.
How do you use indelible in sentence?
Indelible ink will not wash out of your clothes.
How do you separate the colours in biro ink?
Chromatography cannot be used because biro ink does not dissolve in water. I actually dont know how to separate the colors in Biro ink.. :( sorry, but look it up on google.com!
Do pens have oil in them?
No. they have INK in them. eg. blue ink,red ink,
Are correction pens allowed in board exams?
Yes fountain ink pen is allowed, however use only black or blue ink.
What is the plural possessive of pens?
The possessive form of the plural noun pens is pens'.Example: All of these pens' ink is blue, none are black.
Can you use ink pens on DVD discs?
heck no!!
What makes gel pens different from ball point pens?
Ballpoint pens use ink that is oil-based which may or may not include gel. This viscous ink is usually much thinner than other types of ink. but The ink used in gel pens is generally wetter than most types of ink as it is usually water-based. When using gel pens you do not need to use as much force as the ink within the pen glides and flows very easily.
Did the ancient Greeks use ink pens in school?
no...
Who uses blue pens?
Many people use pens
Why do you use pens?
To write with. People use pens instead of pencils because pen ink cannot be erased unless you use white-out, and pen ink is more black compared to pencil lead.Read more:What_do_you_do_with_a_penwe use pens so that no one can rub it out. You can purchase pens just for 28p in TESCO. Go on tesco.co.uk and buy them. There are 10 pens in a pack what costs 28p.
What did the Egyptians use for pens and ink?
they used it to write notes and scriptures.
What are multiple colored ink pens called?
Multiple colored ink pens are typically referred to as multicolor pens or multicolored pens. These pens have multiple ink cartridges, each with a different color of ink, allowing users to easily switch between colors while writing or drawing.
What is in pens?
ink.
Where does ink from ink from pens come from?
Germany
