Question

we can absorb ink using a piece of chalk. how is it possible? ​

Answer 1

Answer:

Chromatography (literally translated means "color writing") is one way in which mixtures can be separated. The isopropyl alcohol will move up the chalk by surface tension, similar to how water is absorbed into a napkin. As the alcohol moves up the chalk, it picks up the ink pigment as it travels.

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Answer 2

Answer:

this is because there are tiny pores in the chalk which can hold yhe ink particle in it