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3/4 of the plastic.
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∙ 13y ago
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What is biro ink and chlorophyll soluble in?
Biro ink and chlorophyll are soluble in methylated spirits
What are the difference between a quill pen and a Biro?
a quill pen has mor ink than a biro
Is a biro man made?
yes a biro is man made the ink is man made and the pen itself is manmade
How did Ladislao Biro come up with the idea of the Biro?
Ladislao Biro was working as a journalist when he found that the newspaper ink was smudge-free. So he started to work with his brother, Georg, to create the Biro.
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!
How can you remove biro ink from silk?
Try Spraying lightly with hairspray, then wash out.
Which different colors are in black biro ink?
Black is a combination of all colors.
Why did Lazslo Biro invent the ballpoint pen?
Because the quill pen always left marks on the paper. He found it also incredibly inconvenient to always have to dip the pen after it ran out of ink so quickly. So Lazslo Biro invented a pen that held much more ink and wrote more fluently and smoother.
Why did Laszlo Biro make the ball point pen?
to make writing with ink easier
Is biro pen ink toxic?
Most modern ballpoint pen inks are non-toxic and safe for general use. However, it's important to avoid ingesting the ink or getting it in your eyes. If you have concerns about the specific ingredients in a biro pen ink, you can check the manufacturer's safety information or contact them directly.
What is a red Biro?
A red Biro is a common type of ballpoint pen that writes in red ink. It is typically used for everyday writing tasks and note-taking.
Who has discover pen?
The ballpoint pen was invented by Laszlo Biro in 1938. Previous versions of pens had been in existence for centuries, but Biro's design was the first to use a quick-drying ink that flowed smoothly.
