Questions: -What do you observe on the filter paper strip after 2 to 3 hours?
-What conclusion can you draw from this experiment about the components of the black ink?

Tbh i cant really see the words do u ming taking an upclose picture?

First part- As the water moves upward along the filter paper strip, the different pigments present in the black ink separate out as different points. After drying the paper, there is a colored pattern on the strip.

Second part- Black ink is made up of different colored pigments, and chromatography separates it into its constituent components.

Explanation:

Plato

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.