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Q: Why is pencil used to draw a line on paper in chromatogram?
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On grid paper draw a line segment with 4.5 cm?

I'd prefer to draw it with a pencil.


How to draw a peace sign without picking up your pencil?

first of all draw a circle then don't lift your pencilsecondly draw a line halfway and keep your pencil therethirdly draw a line going left and keep your pencil therelast of all go round the bottom and draw a line from the right angle going back up to the halfway line and there you have it a perfect peace sign without taking your pencil off the paper.


What results will it be if using a pen to draw the start line of paper chromatography?

Using a pen to draw the start line for paper chromatography can result in smudging or mixing of ink with the solute being separated. This can interfere with the accuracy of the separation process as the ink from the pen may also move up the chromatogram along with the components being analyzed. It is recommended to use a pencil or non-waterproof ink to draw the start line for better results.


How to make a line?

draw it with a pencil


What is a tracing paper?

Tracing paper can be laid over a line drawing (for example) and a pen or pencil used to draw over the drawing below that can be seen through the translucent tracing paper.


What kind of pencil used to draw a border line?

Civil ingineer pencil


When your teacher asks you to quote a line what do you do?

i use pencil to draw a line


Why is the chromatograph line dawn in pencil and not ink?

The chromatograph line is drawn in pencil because pencil marks are more permanent and less likely to smudge when in contact with the organic solvents used in chromatography. Ink can dissolve or spread when exposed to these solvents, affecting the accuracy of the chromatogram.


Is it really possible for a human to draw a line with a pencil?

Yes, it is possible for a human to draw a line with a pencil. A line is a fundamental element in drawing, and with practice and fine motor skills, individuals can create straight or curved lines using a pencil.


How do you draw a net for a prism?

get a pencil,ruler and paper then draw a line,adds some lines so its like a triangle then add some tabs cut it out stick it together and then youre dun


How do you draw a house with only a line?

Move the paper while you draw the line?


Why is it important to use only a pencil to mark the starting line of the chromatogram?

This is so you can know the base line. The base line is used as the starting point for the mesaurements used for the Rf values. you need to know the distance from the base line to the point of the spot to know the Rf values. see related link below for more info about paper chromatography