Question

Q7. Give reasons:
components of black ink are separated by chromatography ​

Answer 1

Explanation:

When the water passes through the black ink it takes the pigment colors with it. Some pigments dissolve in water easier and are pulled with the water farther up the paper. This is called chromatography - separating the parts of a mixture so that you can see them one at a time. Black ink actually looks like a rainbow!

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