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MissPhiladelphia
I think the correct answer from the choices above is the first option. I would say the ink from pentel pen would yield a better chromatogram. This is because it will have the least viscosity among the three choices. Hope this answers the question. Have a nice day.
sebassandin

Answer:

The ink from the sign pen.

Explanation:

Hello,

At first, remember that chromatogram is defined as a visible record (such as a graph) showing the result of separating the components of a mixture by chromatography.

Now, in this case, one can obtain the best chromatogram by using sign pen since it is the most rapid when moving through the paper.

Best regards.

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